Re: Rules Question

["Stevo" <checkpoint () ozbergs com>]

Okay so I think I'm working this out...  let's say I capture packet X and
then want to see the content of the next 3 packets...  how would I modify my
rule to grab that extra info??

Is that where I'd use a dynamic rule??

----- Original Message -----
From: "Erek Adams" <erek () snort org>
To: "Stevo" <checkpoint () ozbergs com>
Cc: <snort-users () lists sourceforge net>
Sent: Wednesday, August 06, 2003 7:59 AM
Subject: Re: [Snort-users] Rules Question


> On Tue, 5 Aug 2003, Stevo wrote:
>
> > I'm creating some new rules to use... I'm looking for certain keywords
> > in packets and have got the rule working, but I'm interested in seeing
> > more of the Payload... right now I'm just getting the line that includes
> > that keyword...  how can I tell ACID to show me 10 lines on either side
> > of the keyword for example??
>
> You can't.  It's not a function of ACID.
>
> Snort fires an alert.  That alert contains all the packet data, but ONLY
> for the single packet that created the alert.  No more.  You'd need to
> capture the packets before and after the one that triggered the alert.
> You can use tagging to do that (sorta), but only from _that_ point.  If
> the alert triggers on packet X, then you could tag packets X + Z, but not
> X - Z.
>
> Cheers!
>
> -----
> Erek Adams
>
>    "When things get weird, the weird turn pro."   H.S. Thompson




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