Is there an apache module to slow down site scans?

Posted by florin on Server Fault See other posts from Server Fault or by florin
Published on 2010-06-01T18:42:03Z Indexed on 2010/06/01 18:44 UTC
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apache2

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I am administering a few web servers. Each night, random hosts from the Internet are probing them for various vulnerabilities in php, phpadmin, horde, mysqladmin, etc. Is there a way (apache plugin?) to slow down the rate of attack?

For SSH, I have a rate limiting rule on the firewall, which does not allow more than three connections per minute. But I don't want to rate limit all HTTP access, only the access that returns 404s.

Is there such an apache module?

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