Snort mailing list archives

Re: Bad Traffic, Port


From: Martin Bündgens <mb () insidetheweb de>
Date: Thu, 25 Dec 2003 04:47:53 +0100


----- Original Message -----
From: "Josh Berry" <josh.berry () netschematics com>
To: "Martin Bündgens" <mb () insidetheweb de>
Cc: <snort-users () lists sourceforge net>
Sent: Wednesday, December 24, 2003 11:47 PM
Subject: Re: [Snort-users] Bad Traffic, Port


Are you running Snort on the IPTables machine?  If so even though you are
blocking port 0 traffic, I believe that Snort can still see the traffic
that is coming at the box.  So, you are blocking port 0 but Snort reads
the traffic off of libpcap before it is denied by IPTables.

That`s right.

Anyway, i thought about a solution. Is it possible to add an IPTables
command to a Snort Rule (drop all packets from the ip, which break the Snort
rule) ? That would do it, i think. Since it would stop the constant
flooding.

Regards,
Marti Bündgens.



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