[Snort-users] Is anyone using 'react' to block the use of Gnutella?

Frederick Garbrecht fgarbrecht at ...4638...
Tue Sep 24 16:49:03 EDT 2002

Hi Scott
Perhaps this doesn't apply, but have you checked the actual packet content
to be sure that the triggering traffic is really Gnutella?  I was seeing
alot of these alerts also, but upon looking at the packets it turned out
that one of our users was connecting to some web-based external mail server
which was triggering alerts.
----- Original Message -----
From: "Vieth, Scott" <svieth at ...6966...>
To: <snort-users at lists.sourceforge.net>
Sent: Monday, September 23, 2002 3:38 PM
Subject: [Snort-users] Is anyone using 'react' to block the use of Gnutella?

> Hi:
> Snort is telling me that we have folks using Gnutella to send/receive
> from other Gnutella users on the Internet.  I've blocked all the 'easy'
> ports on the firewall to stop P2P file sharing.  But the P2P protocols are
> still getting through. I think they are getting more "firewall-smart".
> Since Snort can 'see' the folks who are running Gnutella, could I use
> 'react' to block/disrupt/close those connections?
> Just wondering....
> Thanks,
> -Scott Vieth
> Medical College of Wisconsin
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