On Thu, Oct 21, 2010 at 5:40 PM, Kai Witzke <security (at) gaark (dot) de [email concealed]> wrote:
> Hey everybody!
>
> I have some serious problems with flooding attacks to my apache2. No
> problems with logins oder syn floods, just a huge amount of simple
> requests to my server from the same ip. Anyone got a nice howto on that
> or maybe a nice regex prepared for counting such requests and blocking
> the greedy ones?

Hi Kai,

Take a look at ModSecurity's SecGuardianLog. You set a threshold in
httpd-guardian.pl and use blacklist to block the IP. Another native
ModSecurity option is detailed here:
https://secure.jwall.org/blog/2009/07/19/1248004300834.html

--
- Josh

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