mod_anti_tamper – Anti Tamper Module for Apache 2.x
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 mod_anti_tamper is not an alternative to mod_security, which is more exaustive and useful for all web situations. AT could be a complement to mod_security.
Introduction
- What is HMAC
HMAC is a validation algorithm to check the integrity of informations coupled with a secret password (more here).
AT will automatically generate a password and will save it in a ‘safe’ place (root owner with 600 mode).
How AT Works
AT is composed by two primary active components.
1. A filter for url links integrity check.
2. A filter for cookie integrity check.
Download mod_anti_tamper here:
Or read more here.
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Sorry that I didn’t comment on this one earlier. I’m kinda busy these days..
This is a very usefull feature. I will definately introduce this in my own webserver.
2005!! it’s obsolete!
All servers deserve this although Fran brings up a good point of it being kind of dated…