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From John ORourke <john-p...@o-rourke.org>
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 
mod_log_forensic.

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.

cheers
John

Paul Querna wrote:
>
> mod_log_forensic was created for exactly this purpose:
> <http://httpd.apache.org/docs/2.2/mod/mod_log_forensic.html>
>
> hope that helps,
>
> Paul
>
>   

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