Snort mailing list archives

Re: problems with Rule using PCRE


From: "Nigel Houghton" <nhoughton () sourcefire com>
Date: Wed, 7 Jan 2009 16:17:13 -0500

On Wed, Jan 7, 2009 at 3:27 PM, Patrick Mullen <pmullen () sourcefire com> wrote:
Matt's description of using multiple byte_tests to test multiple bits
is correct.  For additional information, please see the old VRT blog
at:

http://www.snort.org/pub-bin/vrtnews.cgi

There is a post named "Checking Multiple Bits in a Flag Field" two
thirds of the way down that goes into this in great detail.

Right here:

 http://vrt-sourcefire.blogspot.com/2008/08/checking-multiple-bits-in-flag-field_29.html

-- 
Nigel Houghton
Head Mentalist
SF VRT
http://vrt-sourcefire.blogspot.com && http://www.snort.org/vrt/

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