Check Configuring iptables on CentOS post.
Why should you do that while APF or CSF can do it automatically?
Because APF/CSF could block an important bot testing your server to add to search index. So reviewing every ip would be a daily task!
Ok, so how?
using RHEL4, centos4
This is some way you can get Google results as a JavaScript array that you can display on any page, you first need to get your Google API Key then try this code…
New Sitemap Creator 0.2a available
Sitemap Creator is a php script making use of the
announced new standard SiteMaps protocol supported by Google, Yahoo and MSN.
There are some very complicated hacks to add but this one line script to do it.
This should be applied to VB 3.5.4
add these lines to the end of your init.php file located in forumroot\includes\init.php
Compress your HTML, CSS and Javascript using simple PHP Code
Although Compression is a very important method of making your pages lighter and easier for users to download, it’s definitely going to cost you more CPU and on high load servers it’s not recommended unless you already know how to cache your HTML pages.