Re: [users@httpd] need help fighting DoS attack on Apache

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On 5/28/06, Sergey Tsalkov <flightsimguy@xxxxxxxxx> wrote:

Anyone have any suggestions?

What you've described doesn't really look like a dangerous DOS-attack.
If clients just open connections and stay idle, there's a lot of good
workarounds:
1) lower timeout, and raise number of listening servers
2) hack server code a bit and use TCP_DEFER_ACCEPT option if you're on
Linux, or http ready data filter if it's FreeBSD
3) put an Apache 2.0 with threaded MPM & mod_proxy with minimal set of
modules in front of your Apache 1.3 server - it will be able to serve
thousands of idle connections without wasting too much resources.

--
Alexey Polyakov

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