Snort mailing list archives

VPNs and TCP


From: Matt Linton <mlinton () email arc nasa gov>
Date: Wed, 28 Apr 2004 09:43:23 -0700


Greetings, everyone.

Has anyone doing packet analysis taken a good look at packets traveling across VPN connections on a snort machine? I'm seeing some very odd traffic (odd enough to trigger the snort "bad packets" and "invalid packets" rulesets) and wondering if anyone else has the same experience.

Most of the time these TCP packets are heading to a VPN server from a client who is logged into the VPN. They include things like traffic to TCP port 0 and signatures matching the NMAP TCP scan.



+---------------------------------------------------
| Regards;
| Matt Linton
| UNIX Systems Administrator
| ASANI Solutions, LLC.
+---------------------------------------------------




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