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| Subject: | RE: snort signature analysis tools |
|---|---|
| Date: | Fri, 7 Jan 2005 08:48:40 -0800 |
-----Original Message----- From: Martin Roesch [mailto:roesch@sourcefire.com] Sent: Friday, January 07, 2005 6:48 AM To: Scott Kelly Cc: focus-ids@securityfocus.com Subject: Re: snort signature analysis tools What do you mean by overlaps/collisions? Rules that cover the same attack, duplicates, rules that will "cover" other rules and prevent them from firing?
Maybe "intersecting rules" would be a better description. Is there a way, given an existing rule set, to determine the uniqueness of a proposed rule, to detect (interesting) intersections with other rules? Thanks, Scott -------------------------------------------------------------------------- Test Your IDS Is your IDS deployed correctly? Find out quickly and easily by testing it with real-world attacks from CORE IMPACT. Go to http://www.securityfocus.com/sponsor/CoreSecurity_focus-ids_040708 to learn more. --------------------------------------------------------------------------
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