Apache.org has been hacked quite a number of this times, last week it happened again and the whole infrastructure was down for a few hours while they sorted out what had happened and how to remedy it.
Apparently one the remote SSH keys was compromised allowed attacked to upload code, the scary part is they could [...]

The Web Security Gateway is a security-centric distribution of the Apache web server, bundled with additional security modules, and configured as a front-end (reverse) HTTP proxy. The goal is to mirror most of the features of commercial web application “firewalls”, with free and Open-Source software.
The Web Security Gateway provides a configurable caching, authentication, input validation, [...]

What Is Mod AntiTamper (AT)
AntiTamper is an Apache 2.x module that could be used to prevent some sort of url and cookie tampering.
Specifically, AT could stop a lot of those malicious bots that take advantage from search engines. Moreover, attack techniques like HTTP Response Splitting and session hijacking/fixation will be mitigated.

Is important to notice that [...]

This Phenoelit tool called ObiWaN is written to carry out brute force security testing on Webservers.
The idea behind this is webservers with simple challenge-response authentication mechanism mostly have no switches to set up intruder lockout or delay timings for wrong passwords. In fact this is the point to start from. Every user with a [...]