snort-users May 2009 archive
Main Archive Page > Month Archives  > snort-users archives
snort-users: [Snort-users] inverse snort rule

[Snort-users] inverse snort rule

From: yavuz gokirmak <ygokirmak_at_nospam>
Date: Fri May 22 2009 - 07:27:55 GMT

Hi all,

I am a new user of snort, I have a question about snort usage.

I have a file of pcap data ( read vie tcpdump -r)

Assume we have some rules A,B,C,D and E.

I want to log unrecognized packets, I mean, Packets which matches none of the A,B,C,D,E rules...

is it possible,

Can I take the inverse of the whole rule to create new rule like " !A and !B and !C and !D and !E" ?

thanks in advance,


Register Now for Creativity and Technology (CaT), June 3rd, NYC. CaT is a gathering of tech-side developers & brand creativity professionals. Meet the minds behind Google Creative Lab, Visual Complexity, Processing, & iPhoneDevCamp asthey present alongside digital heavyweights like Barbarian Group, R/GA, & Big Spaceship.

Snort-users mailing list
Go to this URL to change user options or unsubscribe: Snort-users list archive: