An independent part of the Apache HTTPD program. Much of Apache's functionality is contained in modules that you can choose to include or exclude.

Mod_Security rivals Mod_Rewrite in the amount of features it provides. I decided to go ahead and post what I learned about it today, even though its tough to give away such awesome htaccess and apache tricks.. Learn how to control spam once and for all, conditionally log/deny/allow/redirect requests based on IP, username, etc.. Mod_Security is so fine!

Apache .htaccess Directives and Loaded Modules allowed on DreamHost Apache Server 2 Setups.