#ColdFusion Environment Configuration

[lucid-outsourcing-solutions]

ColdFusion Development Environment: Guide To Setting Up Local CFML Environment

[myresellerhome]

Best practices to strengthen Plesk server security

For any web hosting company or server administrator, server security is the most important aspect of server management. Every internet company needs to provide careful attention to protecting its servers. In this section, we will discuss the most crucial parts of hardening Plesk servers and monitoring them for security flaws.

What is Plesk? 

Plesk was initially introduced to the public in the year 2001 after being developed by Plesk, Inc., a Russian corporation. In 2003, Plesk was acquired by SWSoft, which then transformed itself into Parallels the following year. After Oakley Capital had purchased it in 2015, it was spun off into its own independent company. The commercial web hosting data centre automation software known as Plesk was designed specifically for Linux/Unix and Windows-based companies that provide commercial hosting services.

The user-friendliness of Plesk's menu makes it an excellent choice as a control panel solution for virtual private servers (VPS) and dedicated servers. To put it another way, a server that uses Plesk is so simple to operate that even someone with little to no prior server administration knowledge may begin managing their server right away. The administrator has the ability to establish client and site templates, which, in essence, is the process of allotting resources for domains and/or customers. In addition, Plesk was developed with the goal of making the normal management and administration of websites easier to perform. On a single server or across numerous servers, Plesk can automate a wide variety of operations and tasks. Plesk is a web hosting platform that comes with a control panel that gives the administrator the ability to set up websites, reseller accounts, e-mail accounts, DNS, and database accounts from a web browser.

Integration of support for content management systems (CMS) is included in Plesk; supported CMS include WordPress, Joomla, and Drupal, among others; this list is not exhaustive. Other technologies, such as Docker, multi-server management, and framework environments for Node.js, PHP, Python, Ruby on rails, and a great deal more, have also been added to it. In addition to Microsoft Windows, Plesk is compatible with a variety of Linux and Unix operating systems. In addition, the MySQL and PostgreSQL databases, the Microsoft SQL Server and Desktop Engine, the Apache Tomcat Java platform server, and the ColdFusion server are all supported by Plesk.

The term "extensions" refers to "add-ons," and those "add-ons" comprise software packs that are not included in the core codebase. These extensions interact and integrate completely with Plesk on every level. In addition, you do not have to pay for extensions that you do not require because Plesk's user interface was built to just add the features that you require.

Hardening the Security of Plesk Servers Using Generic Steps

Latest After installation, Plesk immediately provides a higher level of protection than before. Advisor, which integrates the best possible security practices and speed tune-up of the server and hosted domains, was recently released as part of the Plesk software suite. At the same time, it is a smart idea to make certain that the following normal actions are carried out:

Ensure regular Plesk updates 

Change the strength of your password to Strong.

Install Google Authenticator on your device and use two-step verification to access your account.

To protect the mail server, make use of SSL and TLS.

Set sFTP connection

Restrict the access that administrators have to the system

Limit remote access via XML API

Be sure to make regular use of the Web Application Firewall.

You should make regular use of the WP Toolkit Security Check.

Configure automatic updates for all instances of WordPress.

Ensure that out-of-date web applications are not being used and that those that are being used are regularly updated. Failure to comply with this guideline may result in unanticipated holes in security.

Checking existing websites with VirusTotal's Website Check is recommended.

The Firewall should be used to close any ports that are not currently being used.

Tips for Maintaining Server Safety with Plesk on Linux

Make use of the key file in order to enable SSH access.

When establishing SSH connections, use a port of your choice.

There is no root SSH authentication available.

If you do not use Perl or Python on your website, turn off those languages' support and do not use them yourself. Mod /mod python

Use the Opsani vulnerability scanner.

Configure Fail2Ban to thwart any efforts at hacking.

Stay away from PHP handlers that are served up as Apache modules because this is not a secure approach.

Ensure that the option to update system packages automatically is selected.

Server Security Tips for Plesk under Windows

Custom port usage for RDP connections is a must

Get rid of unused programming languages

Make sure you install the latest Windows updates

Restrict users from overriding handlers via the web. config files

Keep DDOS protection  enabled

Top Security Best Practices to Protect Your Plesk Server

 1. Always Use the Latest Version of Plesk

Before you do anything further, check to see if your Plesk configurations have been brought up to date. The updates to Plesk install any additional components that you might require in order to significantly improve the server's level of security. The most effective method for ensuring the safety of a Plesk server is to ensure that it is always kept up to date. You may determine whether or not you have an updated version by using the following methods:

In the options menu, select the option to "Automatically Install Plesk Updates."

As part of the security updates, you need to make sure that the Plesk Firewalls, Fail2Ban, and ModSecurity packages have been properly installed.

2. The Safeguarding Process

It's possible that the security settings in Plesk will let you make secure FTP connections to the server. You have the ability to change the password settings by using a robust password.

To make changes to the minimum password requirement:

Under "Settings," click "Security." Once there, locate the "Password Strength" button within that section, and choose the level of security that best suits your needs. Now, select the OK button.

If FTP is configured to only allow authorized connections to the server, it can prevent attacks from occurring. The use of a strong password to protect the server from intrusions at the principal login location is one way to increase the level of security provided by Plesk. By employing this strategy, we are able to protect the server from being attacked with brute force.

3. Attack Utilizing Both Fail2Ban and Force

With the assistance of the Fail2Ban, the log files on the Plesk server are monitored and secured against attacks using brute force. It treats as suspect any attempt to log in that is not authorized. In the event that any of these failed login attempts are performed, the Fail2Ban will either send a notification to the user or temporarily prevent the user's IP address from gaining access to the server.

How to Configuration instructions for Fail2Ban

Make a filter that looks for odd activity in log files by utilizing one or more regular expressions. This filter may be used to search for it.

The sentence you receive in jail depends on the specific circumstances of your case. In the event of an attack, this might make it possible to carry out vital measures by utilizing the information that has been provided.

Please provide a listing of the IP address that was provided. You can protect your server from being attacked by limiting access to only the IP addresses that have been allowed.

In addition to this, you might also try either activating or deactivating a jail that you have set up. On the other hand, if you think it's necessary, you might make an effort to unblock the IP address that was previously banned. In general, Plesk comes equipped with a large number of predefined prison configurations and filters.

4. The configuration of the Web Application Firewall under ModSecurity

ModSecurity is a tool that assists in the detection and prevention of attacks on your web applications. The web application firewall has a rule set that decides how to respond to incoming requests and how they should be treated. In other words, the Firewall is activated whenever a user makes a request, and the HTTP request will only acquire material from the website if the check is successful.

Using Plesk, you are now able to activate ModSecurity and add your own personalized configurations to the parameters for the ruleset.

In order to install the ModSecurity component, you should follow these steps:

You will need to navigate to the "Updates and Upgrades" settings in order to get rid of or add any component. Find the Web Hosting Groups by going to the submenu that says "Add/Remove Components" under that.

You now have the option of using predefined ModSecurity rules or creating your own from scratch.

5. Changing the settings on the Firewall

The network connections that are trying to establish a connection to your server are monitored and kept safe by the Plesk Firewall. The following is a list of the steps to configure:

The first thing you need to do is go to "Tools and Settings" and then pick "Firewall Management." Pick "Firewall Rules Management" from the menu, and then activate it.

At this point, a preview of the status box that authorizes the Firewall module will be displayed. You just need to turn it on.

You have successfully arrived at your destination when a green box indicating success displays and the firewall rules management is operational.

To modify the settings of the Firewall,

Using the Plesk Tools and Settings interface, you are able to modify the Plesk Firewall rules.

At this point, pick the SSH server.

Select the option for the property that will permit you to allow traffic from some sources while preventing it from entering from others.

Include the IP address to which you would like access to be granted.

Select the OK button.

What to do in the event that the server's security is breached

Moving everything over to the new server is what we recommend in this situation. If the attack is successful, the invaders will have their privileges raised to the root level, which means they will have complete control over the server. Even if you uncover malware or rootkits during the investigation and remove them, this does not guarantee that there will be no more instances of either on your system. Malware can be loaded straight into RAM if the user so chooses. It is possible for already infected servers to have backdoors enabled or even common cronjobs set up for use in order to download rootkits.

Even if you successfully restore the server to a previous snapshot, there may still be issues with the server. Because, in many instances, it is unclear exactly when the server was hacked and when rootkits were uploaded to the server.

The question now is how to locate the origin of the issue.

When utilizing security solutions that are specifically designed to scan for rootkits and malware, it is important to keep the following in mind: these solutions rely solely on previously identified patterns in order to determine the presence of malware, and they may be completely ineffective in detecting brand new forms of malicious software. Please call a security audit company that specializes in such circumstances if you want to be absolutely certain about how the server was compromised. Please refrain from changing anything before the investigation has been completed in order to prevent the loss of traces.

Conclusion

There are a few recommended procedures that should be carried out in order to improve the security of a Plesk server. Among these is the utilization of a firewall, the updating of software, and the monitoring of logs. In the event that you come under assault, having a backup and security strategy that is kept up to date is of the utmost importance.

Myresellerhome.com

We offer experienced web hosting services that are customized to your specific requirements.

[meentosys]

Web Application Development | Testing | Benefits Of Testing | Different Types Of Testing | Key Benefits Of Web App Development

Web Application Development

Is Web application development required for your small business? In software engineering, there is a lot of practice going on. The approach, requirements, and models are some of the features to look for. Your business will benefit greatly from the unique characteristics, popular frameworks, and business-oriented approach to application development. Many advanced technologies are used in the development of web applications, including Ajax, ASP, ASP.Net, ActionScript, CSS, ColdFusion, CGI, HTML, JAVA, Javascript, Visual LANSA, Lasso, Node.js, OSGI, Perl, PHP, Python, Ruby, and Xojo.

Check Out - Best Web Application Development Company 

There are a few agile lifecycle models in use in web application development that focus on web-based business, and these are -

Extreme Programming (XP) is a software development methodology that focuses on improving software quality and responsiveness to changing customer requirements.

The most well-known Scrum agile framework model is widely used for complex product development, delivery, and sustainability, with a strong emphasis on software development.

Timebox development emphasizes time management for project management approaches as well as personal time management.

Another lifecycle model is feature-driven development, which is an iterative and incremental software development process that is lightweight or agile in nature.

Testing

All web applications are subjected to the same system testing as traditional desktop applications by custom web application development companies. Some of the most important objectives of testing are as follows:

To determine whether the application is functioning properly.

Identifying errors that must be corrected

Web application testing procedure

Web applications contain a large amount of information that may contain errors, omissions, incorrect labels, redundancy, and so on. There are also multilayers of web applications and numerous, dynamic configurations.

It is a complex process of testing to find errors for each layer.

Benefits of Testing

Testing that is focused and free of distractions

Examine your web pages for broken links.

Check to see if all possible test cases for the web app are working properly.

Examine how the app performs in a supportive environment.

Ensure that a high-quality website appears as a final result.

It is necessary to perform compatibility testing based on the context of applications for various devices such as notebooks, mobile phones, and so on. This is a software technique used exclusively to test web-hosted applications, in which the application interfaces and other functionalities are tested.

Different types of Testing:

 Functionality Testing

 Usability Testing

 Interface Testing

 Compatibility Testing

 Performance Testing

 Security Testing

Usability Testing is done to test the navigation and controls

Content checking

User intuition checking

As a PHP web application development company, we address major web application requirements from a critical standpoint to ensure that every element works properly.

Key Benefits

To summarize, a web application is a PC programme that allows you to sign in to a web address in order to submit and retrieve data from a web database. These projects are written in HTML, CSS, JS, and other languages. With Web application development software, you will notice increased efficiency, as well as 24/7 accessibility and security. Furthermore, it provides cross-platform capabilities that are easy, simple, customizable, and scalable custom web applications designed specifically for your business needs, and these are completely adaptable and versatile to your business needs and development.

 The benefit of having programming applications online is that you eliminate the need to perform reports on the client's work area.

Being cost effective and easily expandable adds the benefit of programming applications.

Web application development is the process of creating applications for various websites. As technology evolves. Web applications are those that can keep you on the IT beat by reducing downtime and increasing productivity.

Web Application Development

It is the process of creating an application for various websites. As technology evolves. Web applications are those that can keep you on the IT beat by reducing downtime and increasing productivity.

Get high quality and rich web development from the best web development company; now you can make your website look and run the way you want; we work according to the needs and requirements of our clients. As a one-stop custom web development company, we provide you with highly customized and robust web development services. Our web development services can provide excellent communication, flawless documentation, improved operational transparency, increased business productivity, concise reporting, and much more.

Meentosys is one of the most sought-after and leading web application development companies in Delhi,India offering high-performance and fast web applications that can help your business run more smoothly.

Meentosys, our team of specialists, is here to help you in any way possible to make your websites look unique and simple.

Applications We Create:

Enterprise System

Web portals

E-commerce portals

Industry-specific web applications

Why Choose Us?

The workflow procedure we use in the Web application development process is primarily a key to success. We configure some of the best Web application development tools to develop some of the high quality Web application development services for our clients with top in-built capabilities by implementing some of the best Web application development tools.

Research, Planning, and Consultation: Ensuring the successful implementation of the client's business strategies and the enhancement of their operational excellence. Using cutting-edge technologies to meet requirements. Using cutting-edge technologies such as MySQL, PHP, ASP.NET, and many others. Providing a choice for custom web application development.

Meentosys assists clients in determining what they want from their website and in locating the best and most unique web application that meets their needs. We also work on Single Page Applications development, which allows us to create rich interfaces capable of handling even the most complex user interactions. We can create fast, responsive, and desktop-like experiences by leveraging technologies such as javascript frameworks.

We strive to provide higher levels of satisfaction and consistent customer support for the product in order for it to perform optimally.

Best Mobile App Development Company

[filtermains]

Adobe coldfusion enterprise edition

#ADOBE COLDFUSION ENTERPRISE EDITION PDF#

#ADOBE COLDFUSION ENTERPRISE EDITION SOFTWARE#

#ADOBE COLDFUSION ENTERPRISE EDITION CODE#

I only access the Administrator by remoting into the server and calling it up locally. Also, I didn't think there was a developer edition installed alongside Enterprise. The additional IP addresses accessing ColdFusion are: xxx.xx.xx.xxx,xxx.xx.xx.xxx,xxx.xx.xx.xxx The Developer Edition supports access by any IP address, but only two at a time, apart from the localhost. Already two IP addresses are accessing ColdFusion concurrently. License Error.You tried to access the Developer Edition from IP address (xxx.xx.xx.xxx). NET objects.I was looking through the coldfusion-out.log this afternoon on my CF10 Enterprise edition, and found multiple messages like this: Integrate ColdFusion 8 applications with virtually any enterprise environment thanks to support for Java and. Smoothly integrate Internet applications with virtually any enterprise environment - Deploy ColdFusion 8 applications natively on leading J2EE application servers, including IBM WebSphere, BEA WebLogic, and JBoss.

#ADOBE COLDFUSION ENTERPRISE EDITION PDF#

Let users go beyond simple HTML and experience personalized multimedia-rich applications developed in Adobe Flex or Ajax interact with powerful PDF forms as well as HTML view high-quality, on-demand presentations that include animation, audio, and video and receive high-quality, structured business reports with more output choices. Increase end-user productivity with richer, more robust applications - Create more powerful, easier-to-use applications than ever before.

#ADOBE COLDFUSION ENTERPRISE EDITION CODE#

Set breakpoints, watch variables, and step through code, making it easier to debug code that does not run in a browser, such as CFCs, web services, and remote calls to Flex applications. Reduce the lines of code in every application by encapsulating complex actions into simple, intuitive tags.ĭebug applications more easily and resolve bottlenecks quickly - See exactly what is happening in every application, identify and fix bottlenecks before deployment, and tune the server for better performance with the new ColdFusion Server Monitor. ColdFusion 8 Enterprise Edition eliminates the need for and expense of additional hardware and software.Ĭreate more applications in less time with fewer lines of code - Develop applications more rapidly in the easy-to-use ColdFusion development environment, clearing your Internet application backlog. In the past, this would have required multiple copies of ColdFusion running on separate physical servers. The result is an environment of highly available, more secure, performance-optimized applications. The J2EE configuration of Adobe ColdFusion 8 Enterprise Edition enables you to run multiple ColdFusion server instances on a single physical server. IRM's static source code analysis, coupled with creative scenario-based testing techniques, shows the security best practices that have been adopted during the development of ColdFusion 8. As IT professionals investigate the use of ColdFusion versus Java, it is important to understand that ColdFusion is designed to be used in conjunction with Java, leveraging the powerful capabilities that the Java runtime offers while maintaining the hallmark benefits of rapid, low-cost development provided by ColdFusion.ĬoldFusion 8 provisions a platform for developers whereby they can focus on delivering feature-rich Internet applications with the knowledge that the product has been developed with security in mind.

#ADOBE COLDFUSION ENTERPRISE EDITION SOFTWARE#

While Adobe ColdFusion software is widely used throughout a large majority of organizations today, the Java™ programming language is rapidly being considered or adopted in many of these organizations. There is an increasing variety of opportunities in the world of ColdFusion development, fostered by the introduction of ColdFusion 8, and this is only likely to increase further with future versions of the platform from Adobe on the near horizon.

[dmtlahorepakistan]

Learning to use the Web Host the Right Way

What is web hosting?

Providing access to websites and storage space for individuals and companies owning sites is known as web hosting. This Internet hosting service enables organizations and individuals to create websites that they own available on the World Wide Web. The service also allows organizations and individuals to provide content on their websites. A company that provides space on a server is called a web host. This host may own or lease a server to provide site space, as well as to provide an Internet connection, such as a data center. Web hosts also practice collocation, it is here that they provide data center space in their data center, in addition to connecting to the Internet for servers, they do not possess.

As a rule, the company will provide basic hosting services, but lately packages are available for subscribers. Thus, in addition to the basic Web Hosting Services in Lahore, the company may also offer a domain name system (DNS), a service that will be included in the domain name registration offer. The company may also offer e-mail hosting services in its batch packages.

 By downloading via file transfer protocol (FTP) or a web interface, the web host will be able to provide basic services, such as small files and web page hosting. With this service, there are few or no changes in the files that are delivered to the Network, usually they are loaded in the same way as with a small amount or without finishing. The basic service is usually provided free of charge by Internet service providers (ISPs) to subscribers. But subscribers can also access web hosting from other service providers, if they choose. Although a complex website, for example, which will provide support for databases and application development platforms, will require more complex web hosting packages, such as ColdFusion, Java, Ruby on Rails, ASP.Net and PHP, personal web pages require only one hosting page.

 Upstream:

The direction of data transfer from the client to the server, as well as the download speed of information is known as upstream. Although data transfer speeds are usually faster, as they are needed for web server applications and similar processes for transmitting critical data at fast speeds. The speed at the bottom of the stream is usually required by the average home Internet user to download information and, as a rule, it is not required to be fast. With the exception of peer-to-peer software, which is applications that allow computers on a network or to communicate without any stable host in the middle. This program, which now manages social networks and facilitates file sharing, requires information download speed.

 Working hours:

The time when a user has access to the Internet, known as uptime. Most providers strive for three quarters of an hour of delay per month or less, that is, their goal is approximately 99.9% of the work time. Of course, there is always a scheduled or unplanned maintenance time that can occur in any host environment. Such a violation of Internet use time on the Internet cannot be included in the promised service provider time (SLA). Fortunately, some providers will include in their Service Level Agreement a guarantee of a certain amount of uptime, which will include a refund or reduced cost, if guaranteed performance is not achieved.

 Types of hosting:

There are many different types of web hosting provided by different companies, for example, there are shared, managed, cloud, collocation, free, grid, clustered, and host servers. As you know, host service providers provide certain services, such as files, services, images, video, blog and hosting with one click. In addition, they are known to offer shopping cart software and email hosting services. Another type of hosting service that is fairly common is the resale of a web host. This allows clients to also take on the role of web hosts, a virtual private server or a virtual private server (VPS).

 How to access hosting?

If you are a customer, please contact us. The client should consider software such as the script software, the database server software, and the operating system. It is the most popular among web hosting providers. Linux, Apache, MySQL is the default configuration for the Linux server in addition to the Hypertext Preprocessor (PHP), Perl, and the Python scripting languages. If you use the Windows platform, you can use it. It is therefore important that it is recommended that it be used for e-commerce applications.

 The cost of hosting:

Other services for their business area. Although it is a part of the internet access package, it’s not a problem. A personal web hosting is usually free, if you charge a fee; as a rule, it is minimal. More often, where the service is provided, there is a charge for providers. It should be noted that where the providers are, in particular, software, such as e-commerce.

 If you want to know where to buy a Web Hosting Services in Lahore. There you will find packages at the best prices. Click here...

[webhostingworldpro-blog]

Web Hosting - A Guide for Beginners

So you're looking to learn about web hosting and what it has to offer or you may not know much about web hosting? There is no shame in not knowing this information. Everyone has to start at the beginning at some point. On that note, lets begin learning about web hosting.

First off, what is web hosting and how does it work?

Web hosting is the business practice of providing space and bandwidth on a high-powered computer server that is connected to the Internet at very high speeds. Hosting companies maintain large networks of high-powered web server computers in a physical location known as a data center. These computer servers are connected to a very fast, and generally redundant, Internet connection. The data centers have primary and backup power, a fast connection to the Internet, and a security monitoring staff.

The web hosting companies provide a share of disk space and available bandwidth to a customer for a monthly fee. Once the customer is signed up, they can upload files to their personal space on the web server and the information is then viewable to anyone interested on the Internet. The monthly fee the web hosting company charges is much less than what it would cost to run a server out of your own home or data center. This is the reason these companies exist. They take care of all the hardware, software, and other technical needs for you.

Types of web hosting

There are many different types of web hosting offers, but the main three are shared, reseller, and dedicated. Each type of hosting is for a different purpose.

Shared Web Hosting

Shared web hosting is the most popular form of hosting. Shared hosting is a portion of disk space and bandwidth provided to you by the web hosting company on a high-powered server. There are many other web sites hosted on this server, and the hosting company is likely to have quite a few of these servers in a large data center. The resources of the server are shared by as many other websites as are allocated to that computer.

Shared web hosting is the best form of web hosting if you are looking for a great price and don't have more than a couple thousand daily visitors to your site.

Reseller Web Hosting

Reseller web hosting is a popular, low-cost solution to starting your own web hosting business. There are two types of reseller hosting, private-label and a reseller of services.

The private-label is the best type of reseller plan because it allows you to retain full control over your customer's websites. A private-label plan allows the reseller to keep the full monthly payment of the web-hosting customer, but the reseller must pay a monthly fee to the larger hosting company for the reseller space. The more hosting accounts a private-label reseller can sell, the higher the profit for them. Private-label hosting allows you to host many more websites than if you were using shared hosting for each. This is a great solution for someone who has many sites they need to host in one location to save money.

The reseller of services plans resell the regular web hosting plans of a larger web hosting company, but you get a discounted price for providing the customer and earn a monthly fee for as long as they remain a customer. This plan does not allow control over customer web sites and you only keep a portion of the potentially monthly revenue.

Dedicated Web Hosting

Dedicated web hosting is the most powerful and cost effective solution of hosting a busy web site without resorting to buying your own equipment and paying hundreds of dollars per month for a fast Internet connection. Dedicated hosting consists of single server with no one else hosting on that computer. This allows for the greatest of configuration options. Anyone who has a busy website will find dedicated hosting is the necessary choice.

Web Hosting Considerations

Wondering about all the other information listed in web hosting plans? In this section, I will explain the most important considerations in choosing a good web host.

Price

The price of web hosting services is one of the most important. There are many hosting companies out there with cheap hosting packages, but they may be lacking in other areas. Don't let the price of a hosting package fool you. There are some hosting companies out there who have great prices and the other features are just as good. Price may be one of the most important decisions of a web hosting plan, but there is much more to consider in choosing a quality web host.

Disk Space / Storage Space

Disk space is the amount of physical storage space a web host gives to you to store your web files. Hosting companies these days have plans with disk space being measured mostly in terms of gigabytes, but some are still offering plans in the megabytes for storage space. Depending on your needs for file storage space, you may need more or less. Generally the more disk space offered, the better.

Bandwidth / Data Transfer

The amount of bandwidth available can make a big difference in choosing a quality hosting plan. In general, the more bandwidth a hosting company makes available to you, the better. This means you can support more traffic to your web site as your business grows. Be wary of web hosting companies that offer unlimited or unmetered bandwidth. While many of these are legitimate offers, there are some out there who are overselling their bandwidth in hopes the average user won't use much.

Customer Support

In any business, it is very important to provide exception customer service. Web hosting is no exception to this. Many of the hosting companies are available all day and night in case you have a problem with your web site, but there are some who are just available specific hours of the day. If your web site goes down in the middle of the night when they're not available, this means lost revenue for a business. You should make sure the web host you select is always available for support.

Money Back Guarantee

Most web hosting companies will provide a thirty-day money back guarantee. Some will provide one even long, but be wary of the ones who offer no money back guarantee. I would not purchase web hosting services from a company who does not offer at least a 30 day money back guarantee, unless they have proven themselves to be a leader in the industry and have an excellent reputation.

Operating System

An operating system is a piece of software that controls the interaction between the computer user and the physical hardware of the machine. A vast majority of all web sites on the Internet run on the Linux operation system. Linux is generally much more stable than Windows. Stability is critical in running a web site. For this reason, I prefer to host my web sites on the Linux operating system. Some sites have specific requirements that only the Windows operating system can satisfy, but there are always alternatives to those requirements.

Backup

A good web hosting company will have a regular schedule to backup the data on all the web servers. The more often the data is backed up, the better. At the very least, a web hosting company should backup web site files daily.

Control Panel

The control panel is the point of contact the web site administrator will have between the host server and their own machine connected via the Internet. It is essential to have a well organized and easy to use control panel interface. My favorite control panel is cPanel, which is one of the leading web hosting control panels out there today. Plesk is another good one, and many companies will create their own control panel for you to use. Most web hosting companies will provide a link to a demo of the control panel they use with their hosting plans. The control panel used is a matter of preference, but it should be user friendly.

Email

Email is essential part of communication on the Internet. Most web hosting companies out there will give you more email addresses and more space to hold email messages than you will ever need. What you need to watch out for is the companies that have decided to be a little strict on their email accounts and only offer a small number or a small amount of message space.

Uptime

Uptime is a term used to describe how often the average web site hosted by a company is available online. No company should be expected to provide an exact 100% uptime. This is impossible due to things such as hardware, software, and power failures. A vast majority of the companies are very good with uptime, and they guarantee it. It is still a good idea to be conscious of the uptimes posted by the company. If it is not at least 99.5%, it is probably not worth hosting with that company.

Statistics

As a webmaster, it is nice to know how many visitors you've had, where they came from, how long they stay on your site, and how much bandwidth they've used. This information is collected by the web server and is placed in a log file. A statistics software package can read this data and provide meaningful information to the webmaster. The information gathered from these logs can be very valuable in improved services to the viewers of the web site.

FTP

FTP stands for file transfer protocol. It is a way of quickly uploading or downloading many files to and from a web server. Most web hosting companies will allow their customers access to their web hosting accounts via FTP. FTP is very useful and is a great feature to have when paying for a web hosting account.

Scripting

Since the World Wide Web began, many scripting languages have been created and have evolved into the dynamic and interactive environment we enjoy today. A scripting language is a way of adding functionality to a web site, whether it be to calculate numbers or to load information from an external database. Scripting languages have made electronic commerce possible. Some of these languages include PHP, ASP, JSP, Coldfusion, VBscript, Javascript, and Perl. I won't go into the details of these in this article for the sake of complexity. If you know how to use these languages, you should know what to look for in a web server for them.

Databases

A database is a place to store data that can be used in a large variety of ways. Databases are used on the Internet for applications such as shopping carts, message boards, and product catalogues. The more databases the web hosting provider allows you to create, the most applications you can deploy on your web server. Databases are used by the more advanced web master, but information is freely available online should you be interested.

Conclusions

Web hosting can be a very difficult decision with the many thousands of hosting companies out there. It is critical to find a plan that fits your needs and to have a good hosting company. I hope this article was useful in making your decision about which company to host with. Happy Hosting.

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Configure Webpack for a ColdFusion Development Environment

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Learning to Use Your Web Host the Right Way

The provision of entry to websites and storage atmosphere to individuals and companies who owns websites is known as web hosting. This Internet Hosting assist enables organizations and individuals to create the sites that they own accessible on the World wide Web. The utility in addition to allows organizations and individuals to help content upon their web sites. A company that provides flavor upon a server is called a Web hosts. This host may own or lease the server to come up with the money for website express as competently as to provide internet connectivity such as a data centre. Web hosts as well as practices colocation, this is where they find the money for data middle impression within their data middle in addition to connectivity to the Internet for servers that they get not own.

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Typically a company will find the money for basic hosting services, however in recent get older bundled packages have been made genial to subscribers. Therefore, in supplement to offering the basic web hosting services, a company may with allow Domain state System (DNS) hosting, this is a abet that would be included in a domain pronounce registration offer. The company may then offer e-mail hosting help in its bundled packages.

By uploading through the File Transfer Protocol (FTP) or a web interface, a web host will be accomplished to manage to pay for basic services such as small-scale file and Web page hosting. once this advance there is tiny or no modification to the files that is delivered to the web, it is usually uploaded as is once little or no processing. The basic sustain is usually offered for free by the Internet serve Providers (ISPs) to subscribers. But subscribers furthermore have the unorthodox of accessing web page hosting from supplementary minister to providers if they fittingly choose. while a mysterious site, such as one that will allow database retain and application move ahead platforms, will require more accumulate web hosting packages, afterward ColdFusion, Java, Ruby upon Rails, ASP.Net and PHP, personal web pages lonesome requires single page hosting. Upstream

The running that data can be transferred to, from a client to a server, and the enthusiasm at which it takes to upload opinion is known as upstream. Whilst upstream speeds are usually faster as they are required by web server applications and same processes to send indispensable data at a quick speed. Downstream eagerness is usually required by the average home user of the internet to download guidance and is usually not required to be fast. Except for the peer to peer software, which is the applications that allows computers to network or communicate without any stable host in the middle. This application which now drives the social networks and facilitates file sharing systems, requires rapidity in downloading information.

Uptime The amount of period a addict has access to the internet is known as uptime. Most providers aim for three dwelling of an hour of alongside mature in a month or less, in further words their dream is for approximately 99.9% of uptime. Of course there is always the planned or unplanned keep get older that may occur in any hosting environment. This disruption of the internet user's become old online may not be included in the stated uptime promise, of the host provider's service Level agreement (SLA). Fortunately some providers will affix in their abet Level attainment a guarantee of a distinct amount of uptime, which will complement refunding of child support or a reduced cost if the promised guaranteed uptime dream is not achieved.

Types of hosting There are many rotate types of web hosting services that are provided by oscillate companies, for example, there is the Shared, Managed, Cloud, Colocation, Free, Grid, Clustered and The house server hosting. Host assistance providers have been known to offer specific facilities such as file, service, image, video, blog and one-click hosting. In auxiliary they have after that been known to come up with the money for the pastebin shopping cart software and e-mail hosting services. choice type of hosting relief that is quite common is the reselling of webhosting. This allows clients to plus endure on the role of a web hosts, a virtual Dedicated Server or a Virtual Private Server (VPS).

How to permission Hosting Should a customer declare to entrance Web hosting, they would have to first deem what they will be requiring of an application, in order to determine, what type of hosting would be best for them. The customer will habit to deem software such as scripting software, database server software and the in force system that will be used. The Linux based web hosting committed system which offers a broad range of software is the most popular between web hosting providers. The Linux, Apache, MySQL are the typical configuration for a Linux server in addition to Hypertext Preprocessor (PHP), Perl and the Python script languages, which may as a consequence be used later the Windows hosting platform. later than the Windows platform the hosts gets to plus use the classic ASP or ASP.Net which allows the web host to install or write application for blogs, content management, forums and e-commerce. It is with indispensable that the security of the subscriber's data is assured and hence it is intensely recommended that for e-commerce application the secure Socket enlargement (SSL) is used to guard the suggestion that is living thing communicated exceeding the web.

Cost of Hosting Other facilities that may be required by web hosting client's maybe multi-media facilities for streaming media and email for their concern domain. Even even though web hosting is usually allowance of a bundled internet entrance plan, there are many providers who meet the expense of this facilitate free of act as competently as there are some that charges for the service. Personal website hosting is usually free of cost, if a press on is charged; it usually tends to be minimal. More often where the encourage is provided for free, the providers who host these sites may recoup the cost from sponsored advertisements upon the site. It should be noted that the hosting of event web sites is where hosting providers make majority of their allowance especially where they specialize in particular software taking into account e-commerce.

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The Basics of Website Hosting and the Options Available

Internet hosting is a form of Internet hosting service, which enables people and also businesses to make their own Web page or website accessible via the Internet. It is provided by companies that may lease a space own server and offer Internet connectivity via their data hub. Furthermore, website hosting services may also offer Internet connectivity along with data center space for other company's servers to always be placed in their data center. This is referred as colocation. The basics of hosting services include small-scale file internet hosting as well as Web page hosting, where a Web interface or a Submit Transfer Protocol (FTP) is used for the uploading of archives. These are sent to the Internet with little changes or even devoid of modifications at all. This particular service can be offered to you by just some Internet service providers (ISPs). You may also get website hosting expert services from other providers, who can offer both business website hosting and personal website hosting. Business web hosting, in particular, is more costly compared to a personalized web hosting, which can be free or more affordable and is sometimes perform by advertising. If you wish to simply resort to a single webpage web host, you may still benefit from it particularly if you are running a very own website. However , if you want to expand your website into something further, then you might need a more complete package, which already comprises application development platforms, such as ASP. NET, Ruby regarding Rails, ColdFusion, Java and PHP, as well as database guidance. A more comprehensive hosting service provides your consumers to put scripts for applications, such as content management and sites. In addition , if you are running your business via the World Wide Web, then you might also want to include a Security Socket Layer (SSL) onto your website. A good hosting service may also offer a control panel or an control panel so that scripts can be installed and the Web server will be managed as well as include important features such as e-mail. Organizing Uptime The web server uptime is the amount of time that the web hosting service service is accessible through the World Wide Web. Though almost all web hosting manufacturers declare that their goal is to have an uptime 99. 9% most of the time (this can reach more or less 45 minutes for downtime each month), there are still unforeseen circumstances when the equipment is deliberately restarted because of planned hosting environment care. In addition , there are times when an unplanned maintenance is performed leading to often the break of the providers initial uptime assurance. You do not need in order to though since most hosting services bind accessibility in addition to uptime into their Service Level Agreement (SLA), which may supply decreased rates or refunds once the web hosting promise is certainly broken. Web Hosting Services on the Internet Internet service providers are not the actual ones who need to have a constant uptime of website hosting products and services because there are also many big companies that require a computer to be always connected to the Internet just so they could send files for example emails and other important documents to other websites. Furthermore, these companies may also utilize the computer to become their very own website hosting provider, allowing them to supply pertinent information about their services and products to potential clients, who seem to may want to order online. Home Server - This is usually a solo device that is usually situated in a personal office environment and can provide web hosting to more than one website using a consumer-grade broadband connection. Home servers can be comprised of old computer systems or customized devices. There are Internet service providers, however , the fact that try to block home servers. Hence, you must create a bank account with a reliable and dynamic DNS service. Virtual Specific Server - This separates server resources into multimedia servers, wherein resources may be apportioned in such a way that the primary component is not completely directed. This web hosting allows you to have your own private access of your virtual space, yet you are accountable for patching and maintaining the server. Free Website Hosting Service instructions This may only feature a limited number of services compared to the completeness of a paid website hosting. It is usually sustained by advertisements. Concentrated Web Hosting Service - This is the type, which allows you to get your one of a kind server, and provides you the ability to control this, yet you don't get from own the Web server at all. Shared Web Hosting Service - Your web blog is put on the same server along with hundreds or even thousands of several other websites. It is possible that you share CPU, RAM and other styles of server resources. Colocation Web Hosting Service - This is just like the specialized hosting service, only that it is the most expensive and amazing because you get to own the collocation server. Clustered Hosting aid This provides numerous servers to perform web hosting for the same content on an improved resource usage. It is ideally recommended for making some sort of accessible web hosting solution or a high-availability dedicated web hosting. It might just divide database hosting form web serving ability. Sales channel reseller Web Hosting - This enables you to become a web host yourself. You can actually operate, for single domains, under any type of web hosting, basing on whom they are associated with as a web hosting provider. Online hosting Hosting - This is one of the latest types of web hosting program that enables you to experience a steadfast, accessible and dominant webhosting depending on the utility billing and the clustered load-balanced servers. Grid Hosting - This distributed web hosting is comprised of various nodes and a server cluster that operates similar to a grid. Managed Hosting Service - Though this allows you to find your very own Web server, you do not have the authority to take finished control over because the web hosting provider can only assure the exact service quality if it does not permit you to change the server gradually make possible configuration problems. The good thing is you are permitted to control your data through remote management tools like File Transport Protocol. You do not own the website hosting server, yet it may be leased to you.

[siva3155]

300+ TOP Ext JS Interview Questions and Answers

Ext JS Interview Questions for freshers experienced :-

1. What is Ext Js? Ext JS stands for extended JavaScript. It is a JavaScript framework to develop rich UI web based desktop applications. 2. Why did you choose Ext JS? The overall design of extjs is exemplary.One can learn a lot from it’s unified architecture – no matter which language one is programming in. Extjs requires you to start with one of their base classes – ensuring a consitent model. Consistency is extremely important for the library to be reusable. Extjs documentation seems to be very comprehensive and well maintained. key aspect of the EXTJS Library is the cross-browser support. Build rich Internet applications with Ext JS Ext JS framework is the multitude of rich UI elements provided. These elements include forms, dialog boxes, tabs, trees, and grids. The Ext JS framework includes support for Ajax implementations. Ext JS integration with other Web server frameworks. Ext JS framework development into several popular integrated development environments (IDEs), including Eclipse, Aptana, and Komodo. Ext JS provides excellent performance.The framework is fully object oriented and extensible. Because it’s written in the JavaScript language 3. What are major Web browsers supported by Ext JS framework? Windows® Internet Explorer® version 6 and later. Mozilla Firefox version 1.5 and later (PC and Macintosh). Apple Safari version 2 and later. Opera version 9 and later (PC and Mac). 4. Integration of Web development server-side frameworks with Ext JS? You can use Ext JS with other common Web development server-side frameworks, including PHP, the Java™ language, Microsoft® .NET, Ruby on Rails, and ColdFusion. 5. Where Extjs extended from ? Ext JS as a project to extend the functionality that the YUI Library.A key aspect of the YUI Library is the cross-browser support.The Extjs framework is fully object oriented and extensible. Because it’s written in the JavaScript language. 6. Extjs Ajax implementation? A typical Ext JS Ajax implementation: an HTML text field and button element that posts data in the text field to a Web server when the button is clicked. 7.Do you have any advice for developers using Ext for the first time? Ext can be used by Web Application developers who are familiar with HTML but may have little or no experience with JavaScript application development. If you are starting to build a new web application, or you are revamping an existing application, then take your time to understand the basics of the library including. 8. How to access Dom element using EXTJS? The Element API is fundamental to the entire Ext library. Using traditional Javascript, selecting a DOM node by ID is done like this: var myDiv = document.getElementById(‘myDiv’); Using Extjs: Ext.onReady(function() { var myDiv = Ext.get(‘myDiv’); }); 9. what is the purpose of Element Object in Extjs? Element wraps most of the DOM methods and properties that you’ll need, providing a convenient, unified, cross-browser DOM interface (and you can still get direct access to the underlying DOM node when you need it via Element.dom) The Element.get() method provides internal caching, so multiple calls to retrieve the same object are incredibly fast The most common actions performed on DOM nodes are built into direct, cross-browser Element methods (add/remove CSS classes, add/remove event handlers, positioning, sizing, animation, drag/drop, etc.) 10. what is syntax for Ext js Button click event? Ext.onReady(function() { Ext.get(‘myButton’).on(‘click’, function(){ alert(“You clicked the button”); }); }); ulating it. 11. what is use of Ext.onReady() function ? Ext.onReady is probably the first method that you’ll use on every page. This method is automatically called once the DOM is fully loaded, guaranteeing that any page elements that you may want to reference will be available when the script runs syntax: Ext.onReady(function() { alert(“Congratulations! You have Ext configured correctly!”); }); 12. For example, to show our message when any paragraph in our test page is clicked, what is the extjs code on paragraph click? Ext.onReady(function() { Ext.select(‘p’).on(‘click’, function() { alert(“You clicked a paragraph”); }); }); or Ext.onReady(function() { var paragraphClicked = function() { alert(“You clicked a paragraph”); } Ext.select(‘p’).on(‘click’, paragraphClicked); }); 13. List out the extjs library files to include in JSP page? ext-base.js ext-all-debug.js or ext-all.js ext-all.css base.css or examples.css 14. List out the css file required to apply Extjs Theme property? xtheme-gray.css ext-all.css 15. what is purpose of MessageBox? MessageBox is asynchronous. MessageBox call, which demonstrates the readable message to user. MessageBox used for multiple purpose like Ext.Msg.alert() Ext.Msg.prompt() Ext.Msg.show({}); Ext.Msg.wait(); 16. write syntax for MessageBox show() method? Ext.MessageBox.show({ title: ‘Paragraph Clicked’, msg: ‘User clicked on Paragraph’, width:400, buttons: Ext.MessageBox.OK, animEl: paragraph }); 17. what is method to Update the message box body text for MessageBox? updateText( ) : Ext.MessageBox 18. what is a widget? A widget is a tiny piece or component of functionality. 19.what is parent class for all stores in extjs? how many stores exists? Ext.data.Store is parent class for all stores. A Store object uses its configured implementation of DataProxy to access a data object unless you call loadData directly and pass in your data. subclasses for Store: GroupingStore, JsonStore, SimpleStore 20. How to handle event for a extjs component? using listeners config object. For ex for grid events : listeners: {rowclick: gridRowClickHandler,rowdblclick: gridRowDoubleClickHandler} using addListener( String eventName, Function handler, , ) : void Appends an event handler to this component using on( String eventName, Function handler, , ) : void Appends an event handler to this element (shorthand for addListener) For ex: store.on( “datachanged”, function( store ){ ….. }); 21. How to find no of records in a store? using store.getCount() : Gets the number of cached records. store.getTotalCount() : Gets the total number of records in the dataset as returned by the server. 22. How to handle exception while loading datastore? using loadexception event. syntax: store.loadexception() : Fires if an exception occurs in the Proxy during loading. use beforeload : ( Store this, Object options ) : Fires before a request is made for a new data object. If the beforeload handler returns false the load action will be canceled. syntax: store.on(‘loadexception’, function(event, options, response, error) { alert(“Handling the error”); event.stopEvent(); }); 23. how to handle updates for store changes? use store.commitChanges() 24. what is the purpose of each() in store? Calls the specified function for each of the Records in the cache each( Function fn, ) 25. how to get modified records using store object? store.getModifiedRecords() : Gets all records modified since the last commit. 26. how to get record using index? store.getAt( Number index ) : Get the Record at the specified index. 27. how to get record using id? store.getById( String id ) : Get the Record with the specified id. 28. what is the purpose of load() in store? store.load() : returns boolean Loads the Record cache from the configured Proxy using the configured Reader. For remote data sources, loading is asynchronous, and this call will return before the new data has been loaded. store.load({callback: fnCheckData, scope: this}); 29. what is purpose of loadData() in store? store.loadData( Object data, ) : void Loads data from a passed data block and fires the load event. loadData(storeData,false); False to replace the existing records cache. loadData(storeData,true) : True to append the new Records rather than replace the existing cache. 30. How many types of layout managers exist in extjs?what are they? Layouts fall under this package Ext.layout.* Types of layouts: Absolute Layout: This is a simple layout style that allows you to position items within a container using CSS-style absolute positioning via XY coordinates. Accordion Layout: Displays one panel at a time in a stacked layout. No special config properties are required other than the layout. All panels added to the container will be converted to accordion panels. AnchorLayout: This type of layout is most commonly seen within FormPanels (or any container with a FormLayout) where fields are sized relative to the container without hard-coding their dimensions. BorderLayout: Border layouts can be nested with just about any level of complexity that you might need. Every border layout must at least have a center region. All other regions are optional. CardLayout (TabPanel): The TabPanel component is an excellent example of a sophisticated card layout. Each tab is just a panel managed by the card layout such that only one is visible at a time CardLayout (Wizard): You can use a CardLayout to create your own custom wizard-style screen. FitLayout: A very simple layout that simply fills the container with a single panel. FormLayout: FormLayout has specific logic to deal with form fields, labels, etc.FormLayout in a standard panel, ColumnLayout: This is a useful layout style when you need multiple columns that can have varying content height.Any fixed-width column widths are calculated first, then any percentage-width columns specified using the columnWidth config TableLayout: Outputs a standard HTML table as the layout container.you want to allow the contents to flow naturally based on standard browser table layout rules. data, plus manip 31. How we can apply pagination in grid panel ? using Ext.PagingToolbar plugin, we can implement pagination to a grid panel syntax: new Ext.PagingToolbar({ pageSize: 25, store: store, displayInfo: true, displayMsg: ‘Displaying topics {0} – {1} of {2}’, emptyMsg: “No topics to display”, }) // trigger the data store load store.load({params:{start:0, limit:25}}); 32. what is xtype? The xtype will be looked up at render time up to determine what type of child Component like TextField, NumberField etc to create. i,e xtype = Class ———————- button = Ext.Button textfield = Ext.form.TextField radio – Ext.form.Radio grid = Ext.grid.GridPanel combo = Ext.form.Combobox toolbar = Ext.Toolbar 33. what is vtype? The validations provided are basic and intended to be easily customizable and extended. Few vtypes provided by extjs are as below: emailText : String, The error text to display when the email validation function returns false alphanumText : String, The error text to display when the alphanumeric validation function returns false urlText : String, The error text to display when the url validation function returns false 34.Why we need javascript Library? Javascript is an awesome language. It’s super flexible.Browsers are the modern UI paradigm. The javascript Libraries now must provide a rich set of UI Widgets. javascript libraries: JQuery Qooxdoo Dojo Prototype.js mootools extjs 35.how to get record object from store: var record = grid.getStore().getAt(rowIndex); 36. purpose of Load mask? To apply mask to page level / component level. restrict user not to access any components in page var pageProcessBox = new Ext.LoadMask( Ext.getBody(), { msg: ‘Loading Employee details.’ } ); pageProcessBox.show(); 37. purpose of renderer in grid panel? using config option, renderer: fnCellColor where fnCellColor is method to apply color to a cell. 38. how to get selection model used in a grid panel? using grid.getSelectionModel(); method 39. how to stop editing a record? newRecord.endEdit(); 40. how to start editing a record? newRecord.beginEdit(); 41. how to commit a record modification? newRecord.commit(); 42. what is use of combo select event function? To get the selected value from a combo.using getvalue(); var selectedComboValue = mycombo1.getValue(); 43. how to get a value of textfield or combo box? using getvalue(); var selectedValue = mytextfield.getValue(); 44. how to apply css on select of combo box? using config option as emptyClass : ’emptycss’, where emptycss is a css classname 45. what are components required for grid panel? store, columnmodel, id, width,height 46. how to disable menu option for header in columnModel? using menuDisabled: true 47. how to hide the column in grid panel? using hidden : true 48. How to register callbacks to the load and exception events of the JsonStore? var grid = new Ext.grid.GridPanel({ store: new Ext.data.JsonStore({ listeners: { load: this.onLoadSuccess.crateDelegate(this), exception: this.onLoadException.createDelegate(this) } }), onLoadSuccess: function () { // success }, onLoadException: function () { // error }, } 49. extjs decode() ? var json = Ext.decode(response.responseText); Ext.Msg.alert(‘Error’, json.error); 50. Extjs Vs jQuery: ExtJs and JQuery are kind of apples and oranges. You can compare Ext Core to JQuery, and ExtJs to JQuery UI. Ext JS is a full-fledged widget library while jQuery (not jQuery UI) and Mootools are JavaScript frameworks that help with DOM manipulation etc. Whilst jQuery and Mootools help with the general workings of a site. jQuery UI is a much less rich set of components. Ext JS seems to be focussed on tables and storing Ext JS Questions and Answers pdf Download Read the full article

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Web Server Definition - How does it work?

A web server is a computer connected to a network and has special software installed. The software shows the files (such as HTML, CSS, PHP, js, jar, etc) of the main computer as a website to other computers on the same network. The main function of a web server or internet server is to respond to HTTP requests to deliver website content and services over the internet. It consists of a physical server, operating system (OS) and software used to simplify HTTP communication. 

In this case, you may have a question that a computer connected with a network shows a website. So, if the main device remains off, then how can others use or find it? Obviously, you are unable to access if this really happens. Web hosting companies perform all the activities to mitigates this downtime issue. They maintain the web servers located on different data centers that can make the availability of the website for 24/7. The system may need to be restarted once a year or a month. 

Generally, the web hosting companies and professional web app developers use the webserver software. Besides, people who own a website and want to use server-side technologies, such as, PHP or ColdFusion, can also use the webserver. 

Here I will show how the web servers work.

Obtaining the IP Address

Generally, a website is assigned an IP address when it is first created on a web server. The browser first obtains the IP address from the domain name either by searching in its cache or requesting one or more DNS (Domain Name System) Servers.

Requesting the Full URL

After knowing the IP address the website is located at, the browser requests a full URL from the webserver.

Responding to the Request

Now the browser receives a response from the web server accessing the desired pages. If in any case, the pages do not exist or the browser experiences some errors, the web server will send the appropriate error message.

Now the browser receives a response from the webserver accessing the desired pages. You may see error 404 while accessing a page. It means the page does not exist, an error message sent by the webserver. Another is error 401 which means that your access is denied to us due to providing incorrect credentials such as username, password, etc.

Displaying the Web Page

Finally, the browser displays the web page or error message sending by the web server. 

Popular Web Servers:

Different types of web servers are available in the market. Apache HTTP Server, Microsoft IIS, Nginx Web Server, Apache Tomcat, and LightSpeed Web Server are the popular ones. 

Let us know about some of the popular web servers.

Apache HTTP Server

Apache is a widely used and most popular web server that has been maintained and developed since 1995 through the Apache Software Foundation. It is distributed under an open-source license and available for various operating systems like Windows, Mac OS X, Unix, Linux, Solaris, Novell Netware, and FreeBSD.

Nginx Web Server

Nginx - pronounced as “Engine-Ex, is an open-source HTTP web server that has emerged as the second most popular Web server behind the Apache and Microsoft’s IIS. It currently powers popular websites like Pinterest, WordPress.com, Netflix, Hulu, CloudFlare, Zappos and Zynga, and is now also used as a reverse proxy, HTTP cache, and load balancer.

Nginx can run on Linux, Mac OS X, Solaris, AIX, HP-UX and BSD variants.

Microsoft IIS

Another popular web server is Microsoft IIS (Internet Information Service) that runs on Windows systems to serve requested HTML pages or files. It accepts requests from remote client computers and returns the appropriate response. IIS server is not open source though it has all the features of the Apache server. 

It is developed and maintained by Microsoft, thus it works with all the Windows operating system platforms and will likely be unstable on Linux and Macs.

Apache Tomcat

Apache Tomcat is an open-source server software developed by the Apache Foundation (ASF). It’s written in Java and widely used by web developers when working on web application development. Apache Tomcat provides an environment in which one could run their java code. 

It can be configured using an SSL certificate to secure sensitive data by providing a secure connection and used on Windows, Mac OS, Linux operating systems.

Summarizing all, web servers can be used by an individual or a web hosting company. The main job of a web server is to respond to the browser request to display the website content. As mentioned above that a web server must be set on data centers to be always online for the visitors. To mitigate the downtime issue, companies put their servers on different data centers around the world. 

MyLightHost - web hosting service provider uses the popular web server software like Apache, Nginx, node.js, Tomcat and provides highly protected shared, VPS & managed dedicated server solutions from different data centers with 24/7 support and top-notch uptime. 

[robertbryantblog]

Will Vps Server Is Unavailable

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Will Vps Server Is Unavailable

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Slcpu times error, unable to deal with machines together with the realm you are going to need a linux virtual personal server within a shared internet hosting atmosphere. Quite simply you run the entrance to the lower world make use of file hosting kit with a high powered community from various otherwise use following command to set up directory may be auto detected by the internet carrier. The best part – registration to almost make your site visitors to do you a web hosting plan for his or her leads in a most helpful search engine advertising method. Remember, if you’re concerned about an error message after we tried.

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Original Post from InfoSecurity Magazine Author:

Microsoft Fixes Four SandboxEscaper Zero-Days

Microsoft has released its latest monthly security updates and there are four fixes for zero-day threats published recently by SandboxEscaper.

In total Redmond fixed 88 vulnerabilities in this update round with 21 labelled critical.

The four zero-days are all elevation of privilege flaws which affected Windows: CVE-2019-1069 is a bug in the Windows Task Scheduler, CVE-2019-1064 is an elevation of privilege bug in Windows, CVE-2019-1053 is a vulnerability in Windows Shell which could allow elevation of privilege on the affected system by escaping a sandbox and CVE-2019-0973 is a flaw in Windows Installer.

The recently disclosed BlueKeep vulnerability (CVE-2019-0708) in RDP should also be a priority for system admins, after Microsoft warned that it could be “wormable” — that is, exploitable without the need for user interaction.

However, patching is just one part of the defense-in-depth approach IT security teams need to take, according to Ivanti director of security solutions, Chris Goettl.

“Currently around 1.6 million public facing RDP servers are under the attack of a botnet called GoldBrute. Instead of exploiting a vulnerability, GoldBrute is attacking weak passwords. A couple of things to assess in your environment: do you have public facing RDP services exposed? Have you assessed its configuration?” he explained.

“Ideally, blocking RDP at the perimeter is best. Restricting access to a VPN controls the exposure of RDP more. Enabling network-level authentication can help mitigate BlueKeep. Ensure any credentials available over RDP have strong passwords that are changed regularly.”

Elsewhere, there’s one critical update for Flash Player this month, fixing a bug (CVE-2019-7845) which could allow arbitrary code execution on a victim’s machine. Adobe also announced patches for three critical ColdFusion vulnerabilities and seven Adobe Campaign bugs, one of which is critical.

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Go to Source Author: Microsoft Fixes Four SandboxEscaper Zero-Days Original Post from InfoSecurity Magazine Author: Microsoft Fixes Four SandboxEscaper Zero-Days Microsoft has released its latest monthly security updates and there are four fixes for zero-day threats published recently by…

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Web Hosting – A Guide for Beginners

So you're looking to learn about web hosting and what it has to offer or you may not know much about web hosting? There is no shame in not knowing this information. Everyone has to start at the beginning at some point. On that note, lets begin learning about web hosting.

First off, what is web hosting and how does it work?

Web hosting is the business practice of providing space and bandwidth on a high-powered computer server that is connected to the Internet at very high speeds. Hosting companies maintain large networks of high-powered web server computers in a physical location known as a data center. These computer servers are connected to a very fast, and generally redundant, Internet connection. The data centers have primary and backup power, a fast connection to the Internet, and a security monitoring staff.

The web hosting companies provide a share of disk space and available bandwidth to a customer for a monthly fee. Once the customer is signed up, they can upload files to their personal space on the web server and the information is then viewable to anyone interested on the Internet. The monthly fee the web hosting company charges is much less than what it would cost to run a server out of your own home or data center. This is the reason these companies exist. They take care of all the hardware, software, and other technical needs for you.

Types of web hosting

There are many different types of web hosting offers, but the main three are shared, reseller, and dedicated. Each type of hosting is for a different purpose.

Shared Web Hosting

Shared web hosting is the most popular form of hosting. Shared hosting is a portion of disk space and bandwidth provided to you by the web hosting company on a high-powered server. There are many other web sites hosted on this server, and the hosting company is likely to have quite a few of these servers in a large data center. The resources of the server are shared by as many other websites as are allocated to that computer.

Shared web hosting is the best form of web hosting if you are looking for a great price and do not have more than a couple thousand daily visitors to your site.

Reseller Web Hosting

Reseller web hosting is a popular, low-cost solution to starting your own web hosting business. There are two types of reseller hosting, private-label and a reseller of services.

The private-label is the best type of reseller plan because it allows you to retain full control over your customer's websites. A private-label plan allows the reseller to keep the full monthly payment of the web-hosting customer, but the reseller must pay a monthly fee to the larger hosting company for the reseller space. The more hosting accounts a private-label reseller can sell, the higher the profit for them. Private-label hosting allows you to host many more websites than if you were using shared hosting for each. This is a great solution for someone who has many sites that they need to host in one location to save money.

The reseller of services plans resell the regular web hosting plans of a larger web hosting company, but you get a discounted price for providing the customer and earn a monthly fee for as long as they remain a customer. This plan does not allow control over customer web sites and you only keep a portion of the potentially monthly revenue.

Dedicated Web Hosting

Dedicated web hosting is the most powerful and cost effective solution of hosting a busy web site without resorting to buying your own equipment and paying hundreds of dollars per month for a fast Internet connection. Dedicated hosting consists of single server with no one else hosting on that computer. This allows for the greatest of configuration options. Anyone who has a busy website will find dedicated hosting is the necessary choice.

Web Hosting Considerations

Wondering about all the other information listed in web hosting plans? In this section, I will explain the most important considerations in choosing a good web host.

Price

The price of web hosting services is one of the most important. There are many hosting companies out there with cheap hosting packages, but they may be lacking in other areas. Do not let the price of a hosting package fool you. There are some hosting companies out there who have great prices and the other features are just as good. Price may be one of the most important decisions of a web hosting plan, but there is much more to consider in choosing a quality web host.

Disk Space / Storage Space

Disk space is the amount of physical storage space a web host gives to you to store your web files. Hosting companies these days have plans with disk space being measured mainly in terms of gigabytes, but some are still offering plans in the megabytes for storage space. Depending on your needs for file storage space, you may need more or less. Usually the more disk space offered, the better.

Bandwidth / Data Transfer

The amount of bandwidth available can make a big difference in choosing a quality hosting plan. In general, the more bandwidth a hosting company makes available to you, the better. This means you can support more traffic to your web site as your business grows. Be wary of web hosting companies that offer unlimited or unmetered bandwidth. While many of these are legitimate offers, there are some out there who are overselling their bandwidth in hopes the average user will not use much.

Customer Support

In any business, it is very important to provide exception customer service. Web hosting is no exception to this. Many of the hosting companies are available all day and night in case you have a problem with your web site, but there are some who are just available specific hours of the day. If your web site goes down in the middle of the night when they're not available, this means lost revenue for a business. You should make sure the web host you select is always available for support.

Money Back Guarantee

Most web hosting companies will provide a thirty-day money back guarantee. Some will provide one even long, but be wary of the ones who offer no money back guarantee. I would not purchase web hosting services from a company who does not offer at least a 30 day money back guarantee, unless they have proven themselves to be a leader in the industry and have an excellent reputation.

Operating System

An operating system is a piece of software that controls the interaction between the computer user and the physical hardware of the machine. A vast majority of all web sites on the Internet run on the Linux operation system. Linux is generally much more stable than Windows. Stability is critical in running a web site. For this reason, I prefer to host my web sites on the Linux operating system. Some sites have specific requirements that only the Windows operating system can satisfy, but there are always alternatives to those requirements.

Backup

A good web hosting company will have a regular schedule to backup the data on all the web servers. The more often the data is backed up, the better. At the very least, a web hosting company should backup web site files daily.

Control Panel

The control panel is the point of contact the web site administrator will have between the host server and their own machine connected via the Internet. It is essential to have a well organized and easy to use control panel interface. My favorite control panel is cPanel, which is one of the leading web hosting control panels out there today. Plesk is another good one, and many companies will create their own control panel for you to use. Most web hosting companies will provide a link to a demo of the control panel that they use with their hosting plans. The control panel used is a matter of preference, but it should be user friendly.

Email

Email is essential part of communication on the Internet. Most web hosting companies out there will give you more email addresses and more space to hold email messages than you will ever need. What you need to watch out for is the companies that have decided to have a little strict on their email accounts and only offer a small number or a small amount of message space.

Uptime

Uptime is a term used to describe how often the average web site hosted by a company is available online. No company should be expected to provide an exact 100% uptime. This is impossible due to things such as hardware, software, and power failures. A vast majority of the companies are very good with uptime, and they guarantee it. It is still a good idea to be conscious of the uptimes posted by the company. If it is not at least 99.5%, it is probably not worth hosting with that company.

Statistics

As a webmaster, it is nice to know how many visitors you've had, where they came from, how long they stay on your site, and how much bandwidth they've used. This information is compiled by the web server and is placed in a log file. A statistics software package can read this data and provide meaningful information to the webmaster. The information gathered from these logs can be very valuable in improved services to the viewers of the web site.

FTP

FTP stands for file transfer protocol. It is a way of quickly uploading or downloading many files to and from a web server. Most web hosting companies will allow their customers access to their web hosting accounts via FTP. FTP is very useful and is a great feature to have when paying for a web hosting account.

Scripting

Since the World Wide Web began, many scripting languages ​​have been created and have evolved into the dynamic and interactive environment we enjoy today. A scripting language is a way of adding functionality to a web site, whether it be to calculate numbers or to load information from an external database. Scripting languages ​​have made electronic commerce possible. Some of these languages ​​include PHP, ASP, JSP, Coldfusion, VBscript, Javascript, and Perl. I will not go into the details of these in this article for the sake of complexity. If you know how to use these languages, you should know what to look for in a web server for them.

Databases

A database is a place to store data that can be used in a large variety of ways. Databases are used on the Internet for applications such as shopping carts, message boards, and product catalogs. The more databases the web hosting provider allows you to create, the most applications you can deploy on your web server. Databases are used by the more advanced web master, but information is freely available online should you be interested.

Conclusions

Web hosting can be a very difficult decision with the many thousands of hosting companies out there. It is critical to find a plan that fits your needs and to have a good hosting company. I hope this article was useful in making your decision about which company to host with. Happy Hosting!

Source by James Swainston

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Understanding Web Hosting

You've got your new business all established now and you're ready to take the next step and set up a website to tell the world world that you're here and you've got something to offer. You've found a catchy domain name to call your own and now ... what next? Well, the answer is that you need to find web hosting for the website you're going to build. So what does that mean and how do you figure out what kind of web hosting you need? First let's start with the basics.

Just what is web hosting anyway?

In simple terms, web hosting is renting space on a web server. A website is not simply a domain name, it is a collection of files linked together by HTML code to display text and graphics on a computer. In order for anyone to see this collection of files you've created, it has to be housed on a computer somewhere that has access to the internet. Not just any computer will do, of course. A web server is a computer set up with special software that allows it to receive requests from the internet for the website files it has stored on it and to send those files out over the internet so that the requesting computer can display them. It is very much like a waiter in a restaurant taking your order and bringing the food that you ask for from the kitchen, hence the name "server."

Along with making sure your files can be seen by internet users around the world, a web server provides other important services as well. First and foremost is the ability to create email addresses based on your domain name and to send and receive email with them. The web server also has various types of software installed on it that allow your website to run programs, create and manage databases, display video, and many other functions you might find useful. Almost any type of computer can function as a web server, but it's the software that's on it that makes it a server.

When you buy webhosting, the monthly fee you pay goes to the continued maintenance and upgrading of the server's hardware and software, the cost of keeping it online 24 hours a day, 7 days a week in a secure data center with a fast and powerful internet connection, and to pay for the expertise of the people who do all that work. It is completely possible to turn your own home or office computer into a web server if you really want to, but in most cases it is far more economic to pay someone else who is dedicated to providing this service in a properly reliable manner than it is to try and do it yourself.

What kinds of web hosting are there?

Shared Hosting - Most websites are not huge matters with hundreds of pages and thousands of files and graphics, and they are targeted towards a particular audience, so they will not get as many visitors as the large general sites like Yahoo! that are targeted at everyone who uses the internet. As such, the average website before is not going to require the full resources of an entranet web server to run it. Web servers are designed to be able to handle dozens, even hundreds of websites at once because they are powerful machines.

Shared hosting is simply the concept of hosting more than one website on a particular server. Over 95% of all websites on the internet are being run in a shared hosting environment. Since the resources of the server can be split among the clients hosted on it, so can the costs of operating the server, so shared hosting is universally cheaper than any other type. Shared hosting packages are generally designed so that each client is allotted a certain amount of each resource, with different payment levels representing different amounts of resources such as disk space, bandwidth, email addresses, and so on. Shared hosting is also known as virtual hosting.

Dedicated Hosting - If you do have a big, powerful website that gets lots of visitors and has a tendency to hog resources, then you might want to have a web server all to yourself. Some companies also prefer the extra security of not having to share the server with anyone else who could do something accidently or on purpose to crash it. Renting the use of an entire server is known as dedicated hosting. The web hosting company still owns the machine and takes responsibility for maintaining the hardware and the web hosting software, but you have greater control over the configuration and use of the server. There is also such a thing as semi-dedicated hosting, in which a web server is only split between a very small number of clients, such as 2 to 4, with strong partitions between each to prevent them from interfering with one another. Since the hosting company is still responsible for the upkeep of the server, this type of hosting is also known as managed hosting. For obvious reasons, dedicated hosting always costs significantly more than shared hosting.

Server Co-Location - If you really want complete control over every aspect of your web server, you might very well choose to buy one and maintain it yourself if you have sufficient knowledge. However, chances are that you still do not have the resources to keep your server completely safe from power outages, roof leaks, thieves, unwary employees and other hazards and keep it on the internet on a fast, high-bandwidth connection at all times . You need a data center to provide those services for you. Co-location is the rental of physical security, continuous electrical power and a fast, reliable internet connection for a server that you own. The data center is not responsible for any of the hardware or software maintenance of a co-located server, you are. This can be a cheaper alternative to dedicated hosting if you have the necessary expertise and time to run a web server yourself.

Some web hosts are offering UNIX hosting and Windows hosting. What's the difference?

The terms UNIX hosting and Windows hosting refer to the operating system (OS) that is running on the server. The operating system, of course, is the software that allows the computer to function and manage all of the other hardware and software that is installed on it. Chances are good that you are reading this on a computer running a version of the Windows operating system, the most popular operating system in the world for personal and business computers. Other operating systems that are growing in popularity are Macintosh and various versions of Linux. However, the operating system you use on your computer is irrelevant to which type of hosting you choose. Here are some of the main features of UNIX and Windows:

UNIX Hosting

Most of the web servers in the world today run on one of the many variants of UNIX. The UNIX operating system was originally developed by universities for servers and networking, and many different versions have been written by programmers around the world under the open-source protocol, which means that the code for the operating system is openly available for programmers to customize and make improvements. Linux and BSD are the most popular forms of UNIX and come in many varieties, such as Red Hat Linux, Debian, SuSE, and FreeBSD. Most of these different versions (and much of the software that runs on them) can be obtained for free, which makes UNIX hosting cheaper for a web host than other operating systems and allows them to offer lower prices. UNIX hosting platforms are generally considered to be stable, secure, powerful and fast. Most web programming applications can be performed by software that is available for a UNIX platform. "UNIX hosting" has become a generic term to refer to any platform that is derived from the original UNIX.

Windows Hosting

Microsoft has developed its own operating system for servers as a special version of its Windows operating system, Windows Server 2003. It is a commercial product which requires the operator to purchase a license, which increases the cost of operation for the web host and usually results in higher hosting prices. Windows is designed to be user friendly, but it is generally considered to be less powerful and secure than UNIX for operating in a network environment. ASP, ASP.NET, and ColdFusion are scripting languages ​​which will only run on a Windows server, as will the Microsoft SQL Server and Microsoft Access database programs. These are popular for certain web programming applications, and if you are planning on using them to build your website, you will need to find a Windows host.

What are some of the terms I need to know when I choose a web host?

Disk Space or Storage - Because your website is a collection of files being offered on the internet for viewing, they have to be stored somewhere for retrieval and take up space. Each web server has a finite amount of hard disk memory to divide up and offer to hosting customers. Typically that space is separated up by different package levels so that the more you pay, the more space you are allowed to store pictures, web pages, videos and whatever other files you like on the web server's hard drive. If your website gets bigger than the space you are given, you will need to purchase more disk space from the web host.

Bandwidth or Data Transfer - Whenever you visit a website and view a page, you are transferring a copy of the files that make up that page over the internet from the web server to your computer. If the page you are viewing consists of an HTML file that is 3KB in size and three pictures of 47KB, 100KB and 250 KB, then you have just used 400KB of bandwidth or data transfer, because that is the total amount of data you just downloaded from the web server to view that page. Bandwidth is a commodity like disk space that the web host has to buy from its internet service provider, so it too is divided up and offered to the customers in specific amounts. Bandwidth amounts are usually measured in gigabytes (GB), because while only one copy of your files needs to be stored on the server, thousands or even millions of copies may be downloaded for viewing. If your website is viewed more times than the amount of bandwidth you are allowed can handle, your website may be turned off until the next billing period starts, or you may simply be billed for the excess amount used, depending on your host's policies. You can always purchase more bandwidth as your site's traffic increases.

Uptime - In an ideal world, every web server would be up and running and offering your web pages to the world 24 hours a day, 7 days a week forever. However, web servers are computers, and like any other computer, things happen to make them fail, or they get old and out of date and require maintenance and repair. When a web host gives you a 99% uptime guarantee, they are saying that the web server will be up and running for 99% of the billing period. If they fail to meet this guarantee, most web hosts will refund a certain portion of your money depending on the amount of excess downtime they experienced.

Traffic Statistics - Website traffic statistics programs try to track visitors to your website. They can track how many times your site was visited, how many visitors were unique and how many returned more than once, which pages were most popular, where the visitors came to your site from, what search terms they used in the search engines, and many other types of information which could be useful to you in marketing your website to a target audience. These statistics can be displayed in tables, graphs and charts by hour, day, week, month or year. Some statistics programs are better than others and offer more types of data, better displays, easier navigation or other useful features. Most web hosts today offer some sort of traffic statistics software with their hosting packages.

CGI Scripts - Many web hosts offer a variety of free CGI scripts with their packages. These are things like hit counters, guestbooks, form mail programs, message boards, and other programs that allow your website to perform commonly desired functions. You can use the ones your host provides you with or you can upload and run custom CGI scripts written by yourself or somebody else to perform different tasks like conducting a survey or processing customer information to produce an automatic quote quote. Most CGI scripts are written in common programming languages ​​like Perl, PHP or ASP.

You could spend a long time trying to learn everything there is to know about web hosting, but if you've got to be with the basic knowledge you need to understand what different web hosts are offering you. Your next task is to figure out what you need and go out and find a host that wants to give it to you at a great price!

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