evasive module to minimize HTTP DoS or brute force attacks

 mod_evasive is an evasive maneuvers module for Apache to provide some
 protection in the event of an HTTP DoS or DDoS attack or brute force attack.
 .
 It is also designed to be a detection tool, and can be easily configured to
 talk to ipchains, firewalls, routers, and etcetera.
 .
 This module only works on Apache 2.x servers