This tutorial shows you how to create a custom 404 error page within your Mambo or Joomla 1.0 web site and set it up as the default 404 page for your web site. Using the methods described here you can not only create a useful 404 page for your site visitors but it will also send the correct headers.

In this tutorial we look at the risks of leaving your server's directories exposed and how to turn off directory listing using htaccess for both privacy and security.

My guide to .htaccess has been very popular on both the Mambo and Joomla! forums. Due to popular demand, I am reprinting it here for you.
.htaccess files are "distributed configuration files" and provide a way to make configuration changes on a per-directory basis. What you can put in .htaccess files is determined by the AllowOverride [...]

This tutorial deals with "session save path" warning messages that you may encounter in setting up your Mambo CMS website.
session save path Unwriteable
orsession save path Not Set
Session.save_path is a PHP directive which needs to be set in your PHP configuration settings (the php.ini file). It is unusual to encounter problems with this in a shared [...]