Snort mailing list archives
RE: detection and preprocessor plugins
From: Steve Halligan <agent33 () geeksquad com>
Date: Tue, 29 Jan 2002 09:34:28 -0600
Please allow me to answer my own question. When frag2 is determines that it has a complete packet rebuilt, it dumps the packet back into ProcessPacket(), which will give all the preprocessors (even frag2 itself actually) another shot at the new rebuilt packet. -steve
3) If one have multiple preprocessors, what determines theorder they runin? Can the defrag run first, then others, allowing themto see the packetin its defragged form?The order is determined by the way that they're loaded in the snort.conf file. The default order has spp_frag2 loaded first.So if frag2 is loaded first, will other preprocessors see a packet in its defragged state? Or is the defragged packet only available to detection plugins and the signature engine? -steve
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Current thread:
- detection and preprocessor plugins Steve Halligan (Jan 28)
- Re: detection and preprocessor plugins Martin Roesch (Jan 28)
- <Possible follow-ups>
- RE: detection and preprocessor plugins Steve Halligan (Jan 29)
- RE: detection and preprocessor plugins Steve Halligan (Jan 29)
- Re: detection and preprocessor plugins Martin Roesch (Jan 29)