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Posts Tagged ‘iptables’

Using iptables to reject w00tw00t.at.ISC.SANS.DFind scanners

June 10th, 2010 3 comments

Hello people,

I found recently in my apache log thousands of “w00tw00t.at.ISC.SANS.DFind” requests coming from all parts of the world.

I’ve been searching for solutions to remove their hits because they consume resources on my servers and they doesn’t help when computing my visitors stats…

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Categories: Apache, Linux, Security Tags: , , ,

How to secure your webserver against SYN flooding and DoS attack

April 24th, 2010 7 comments

Hello,

It has become popular nowdays to receive incoming attack from foreign server, with the only goal to discard all access / connections to your server. Those attack are generally call “DoS” or “Denial of Service” attack.

Today, I’ll give you a few tricks to reduce impact of such impact on your linux server. Keep in mind that there are no solutions to discard those types of attack, and the tricks I give you today only reduce impact it can have on your server…

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