[Snort-users] pcre high cpu usage

Alex Kirk akirk at ...1935...
Tue Oct 19 09:50:43 EDT 2010


>
> BTW: most offending rules (with like 10000 ticks avg!!) were 4676 and 4677,
> related to Oracle Enterprise Manager. They had the destination restricted to
> the only OEM in the net, but that was enough to cause that delays... May be
> it's time to think in PCRE ofloading! :-)
> Best regards,
> Tomás
>
>
What revisions of those rules are you running? We had revs out briefly that
were severely problematic, and we updated them as soon as we realized. I
want to make sure the current versions of those two aren't causing problems.



-- 
Alex Kirk
AEGIS Program Lead
Sourcefire Vulnerability Research Team
+1-410-423-1937
alex.kirk at ...1935...
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