[Bro] [bro] ssh connetions.

Kellogg, Brian D (OLN) bkellogg at dresser-rand.com
Thu Mar 17 10:55:40 PDT 2016

Similarly I’ve seen SSH sessions not identified when SSH is multiplexed with other protocols on the same port; e.g. SSH and HTTP on port 80.  Wish I had more time to help with detecting cases like this.


-----Original Message-----
From: bro-bounces at bro.org [mailto:bro-bounces at bro.org] On Behalf Of Vlad Grigorescu
Sent: Thursday, March 17, 2016 1:40 PM
To: Tim Desrochers; bro at bro.org
Subject: Re: [Bro] [bro] ssh connetions.

Yes. A good example of this is if SSH compression is enabled.

I would hope that auth_success is set to "-" and not set to the incorrect T or F state, but it's possible that there's some server/client combination out there that's throwing off the detection.
If you are seeing such cases, please send a PCAP and I can look at improving the detection.


Tim Desrochers <tgdesrochers at gmail.com> writes:

> [ text/plain ]
> Is it possible for someone to establish an SSH session but the bro log not to show “auth_success” as true.
> Thanks
> Tim
> [ text/plain ]
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> bro at bro-ids.org
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