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From John ORourke <>
Subject Re: requests possibly not reaching the log phase
Date Sat, 05 Dec 2009 21:01:53 GMT
Many thanks for all the answers on this one folks - in summary the 
suggestions were packet tracing, mod_security, RewriteLog, and 

I went for packet tracing using tshark with a capture condition to 
minimise the performance impact, which worked nicely.  The requests in 
question were completely missing, so the next possibility is an 
occasional DNS lookup failure.


Paul Querna wrote:
> mod_log_forensic was created for exactly this purpose:
> <>
> hope that helps,
> Paul

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