RE: Catchall Rule

["Gonzalez, Albert" <albert.gonzalez () eds com>]

Hey sexy! How are you this morning? I haven't forgotten about you with the
whole job thing,

i just have to get in contact with someone in our New York Office, and see
what they do, dunno if they are sales or consultants..
we shall see.. sorry it is taking so long n stuff..

Cheers!

        Alberto Gonzalez

Alberto Gonzalez
EDS - Global Security Operations Center
Security and Privacy Professional Services





-----Original Message-----
From: Erek Adams [mailto:erek () snort org]
Sent: Thursday, February 06, 2003 10:32 AM
To: Gary Hill
Cc: Rodney Green; John Cherbini; Snort User Groups
Subject: RE: [Snort-users] Catchall Rule


On Thu, 6 Feb 2003, Gary Hill wrote:

> I take it this rule wont capture non-tcp/udp/icmp traffic such as IPSEC!

> Can you create a rule that looks at all IP traffic, rather then each
> protocol on the top of it

Sure.

log ip any any -> $HOME_NET any;

But traffic isn't always ip traffic....

log icmp any any -> $HOME_NET any;
log arp any any -> $HOME_NET any;

(Ok, the last one is silly, but he said "all traffic". :)

> From what I'm getting, you want to snarf all the frames on the wire, then
shove that into a DB.  If you do, be _sure_ to have acres of disk, and one
helluva machine for the DB.  You might get better performance using
Barnyard to spool the files.  If realtime isn't an issue, you might be
better off with tcpdump and then using Snort to post process.

Cheers!

-----
Erek Adams

   "When things get weird, the weird turn pro."   H.S. Thompson


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