[Snort-users] Cisco Proprietary Protocol and Snort

Jutichai Thongkrachai thsecmaniac at ...11827...
Mon Jan 26 23:45:42 EST 2015


Hello,

My Snort keep telling me that it detect "snort_decoder: WARNING:
BAD-TRAFFIC Bad IP protocol" (Sid:450,Gid:116) hourly which come from my
Cisco Switch send Multicast Packet to the Network with its proprietary PIM
protocol (sparse-dense-mode).

I'm curious that my Snort cannot decode Cisco PIM Protocol. So,it detect as
"WARNING: BAD-TRAFFIC Bad IP protocol" Is it possible?
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