Re: Snort 2.6.1.3 ignoring stream4

["Paul Melson" <pmelson () gmail com>]

> If I am not mistaken we got Paul on the path yesterday and all is well
now. I wil let him provide 
> details if he feels it appropriate.

The culprit was a pair of old (circa 2.1) rules that had only a pcre:
pattern.  These combined with changes made to Snort's pcre functionality
between 2.6.0 and 2.6.1 to cause the performance problem.  Adding flow:
conditions to these rules fixed the problem.

If you're interested, I posted some more of the gory details on my blog:
http://pmelson.blogspot.com

PaulM





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