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Network Security Snort-Signatures
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Re: [Snort-sigs] New adobe vulnerability

Subject: Re: [Snort-sigs] New adobe vulnerability
Date: Fri, 20 Aug 2004 11:49:33 -0500
On Fri, 2004-08-20 at 10:37, nnposter@users.sourceforge.net wrote:

Yes. Only uricontent is preprocessed with http_inspect. content and pcre
are not.

Okay, so I would assume that all HTTP related rules should be crafted
with [uri]content instead of pcre then..... to take advantage of the
HTTP normalization by the preprocessor.

In other words, pcre based rules would be easy to evade by various HTTP
encodings, right?

Cheers,
Frank

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