Snort mailing list archives

RE: flex response and cisco span ports


From: tyler () ibill com
Date: Wed, 2 Jan 2002 13:23:54 -0500

That's my thinking.  If the interface doing the 'snorting' does not have an
IP on it, packets should go out eth1 [or the 'mgmt' interface that has an
IP], correct?

tf.

-----Original Message-----
From: Greg Herlein [mailto:gherlein () herlein com]
Sent: Wednesday, January 02, 2002 1:19 PM
To: tyler () ibill com
Cc: snort-users () lists sourceforge net
Subject: Re: [Snort-users] flex response and cisco span ports


So I guess my question is this.. Can I make the sensor send it's
flex-response packets out the 'mgmt' port instead?  Surely there are other
people with an environment like this [snort, cisco catalyst switches,
flex-response] .. What's everyone else doing?

I suspect that you can fix this by making sure that your routing
configuration is set so that packets are routed out the
"management" interface.  I'd configure that eth to be the default
anyway, and have the second interface (eth1 or whatever) be the
snort port.  Then the response packets ought to go out as
expected.  

I think.  YRMV.

Greg


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