[Phpwm] Problems with live Silverstripe website (httpd spawing proceses, high CPU)

[David Goodwin]

>> I had my systems admin friend help me out on this one. He modified the
>> Apache configuration: tuned the prefork mpm. Re-activated keepalive,
>> with stricter settings. Also he noticed some IP in India was
>> requesting 1000 pages a minute sometimes so blacklisted the IP,
>> amongst other things.a
>> 
>> Site seems to behaving itself much more now, thankfully.
>> 
>> Pete
> 
> Pete,
> If the site doesn't have a customer base in India I'd consider blocking more
> than just a single IP, else you'll think you've fixed it and they'll just
> pop back later on a different one!


There is/are apache modules that can take action in the event there are too many requests from a particular IP in a timeframe - I think I looked into mod_dosevasive some months ago; which might be a better solution than blacklisting a particular IP.

David.