Identify trigger of a drop rule

[Yossi Nachum <nachum234 () gmail com>]

Hi,
I am using snort version 2.9.4 in inline mode using NFQ. I configure
barnyard2 to send all alerts to my graylog2 server.

I want to create a stream in graylog2 that will display all the drop
alerts, is it possible?

I created a dummy rule that drop all traffic to port 443. The rule works
fine but the alert I get in syslog is the same alert as regular snort
alert. is there any way to distinguish the drop alerts?


Thanks,
Yossi

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