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Category: Web servers

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Benefits of Using CSS

There are many design benefits to using Cascading Style Sheets (CSS), but there are also technical ones that any website owner or server administrator should consider. Originally, websites were mostly just text and images with no fancy boxes, menus, or other slick layout schemes. Over time people started getting more inventive and primarily relied on [...]

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Using the "ls" Command in Linux

In Linux, few commands are more important when managing your file system than “ls”. On a server, it is very important to know how to view files and their properties. With “ls” you can view a simple list of files or any number of more complicated variations of the list. Typing “ls” with no flags [...]

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Alternative Index Entries

Question: How do I configure my website to automatically go to a page other than index.***? Answer: If your web hosting provider is hosting your site using Apache HTTP server, you can accomplish this very easily with an htaccess file. If you do not already have one, create a plain text file in your main [...]

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Making Use of User Agent Data

Question: What are user agents, and why are they important? Answer: In the context of web servers, a user agent is any network host that connects to the server. Most frequently, it is used to refer to web browsers, but it can be other things as well. Anytime a search engine spider or other robot [...]

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FXP: The Good, The Bad, and The Ugly

FXP stands for File eXchange Protocol, and is a method of data transfer that allows a user to transfer files from one server to another, without going through the user’s computer or network. The Good: In essence it is the closest thing to server-to-server transfer without direct access and the ability to initiate a connection [...]

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New ModSecurity Book

ModSecurity, a free and open source application firewall, is one of the best in the industry. Packt Publishing will soon be releasing a book about the software called ModSecurity 2.5 by Magnus Mischel. “This book is written for system administrators or anyone running an Apache web server who wants to learn how to secure that [...]

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How to Disable "Register Globals" in PHP

Many content management systems (CMS) like Joomla recommend users disable a PHP security feature called “register_globals”. The default setting for it is controlled by your server administrator. If you have a shared hosting account, however, you still might be able to override the default server settings. To accomplish this, create an .htaccess file (or edit [...]

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Password Protecting Your Directories

Question: How do I password protect a directory on my website? Answer: Many web hosting control panels offer a “password protect” feature for your directories. If not, there is a moderately easy way to do it with an Apache .htaccess file. First, create an .htaccess file that looks like this: AuthUserFile /home/yourname/.htpasswd AuthName “Password Protected” [...]

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Changing the MySQL root password

Question: How do I change my MySQL root password on my dedicated server? Answer: If you have never set the password for MySQL, the server will allow you to connect as root without any password at all. This is obviously not secure and needs to be fixed. Consider it an important step in configuring your [...]

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How to run a PHP script from the command line

Question: I want to troubleshoot a PHP script. How do I run it from the command line? Answer: In order to successfully run PHP from the command line, you will need to install PHP as CGI. In many Linux distributions, there will be a package in the repository that allows you to install it rather [...]

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