RE: flexresp

["Neal Timm" <ntimm () austin rr com>]

there is a README.flexresp in source directory that will explain all the
functions of flexresp.

-----Original Message-----
From: snort-users-admin () lists sourceforge net
[mailto:snort-users-admin () lists sourceforge net]On Behalf Of Ramin
Alidousti
Sent: Tuesday, August 28, 2001 01:30 PM
To: snort-users () lists sourceforge net
Subject: [Snort-users] flexresp


Hello,

I'm a snort newbie so please be gentle.

Q: Is it possible to send a reset for a tcp connection to both
   sides. Let me elaborate. Client C (external) connects to
   server S (internal). During the monitoring the conversation
   between these two, snort realizes that C is trying to do
   something nasty. As I understand it, flexresp can be triggered
   to tear down the connection by resetting the connection on
   the client side; but what happens is that the server remains
   in an ESTABLISHED state. Now, if C does this for, let's say,
   1000 times, as you can see the resources on S are being
   consumed for nothing. Actually, what I'm more interested in
   is sending an RST to the server and let the client hang for
   a while (which I don't care). Besides, having torn down the
   connection on S, the consequent packets from C will cause
   an RST from S anyway. Is there any way to tell snort to
   protect S and send an RST to it?

Thanks for any help/pointer.

Ramin

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