[Snort-users] spp_stream4: TTL Evasion attempt

HI Folks,
I have started to see lots of "spp_stream4: TTL Evasion attempt" alerts
on one of my sensors on our internal network. All the destination
addresses are on our dial-in pool.

So I am now trying to figure out what changed. I don't think that this
is malicious traffic but I would like to figure out what is triggering
the alerts.

As a starter, just what type of event is the stream4 processor
reporting?

--
Russell Fulton, Information Security Officer, The University of Auckland
New Zealand



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