[Bro] Email Notice Suppression

Jan Grashofer jan.grashofer at cern.ch
Tue Sep 1 02:03:44 PDT 2015

Hi Scotty,

have a look at automated suppression and the Notice::policy hook (https://www.bro.org/sphinx-git/frameworks/notice.html#automated-suppression and https://www.bro.org/sphinx-git/frameworks/notice.html#extending-notice-framework).

If you use the do_notice script that comes with Bro, you want to add an identifier to the notice, to get automated suppression.

Best regards,

From: bro-bounces at bro.org [bro-bounces at bro.org] on behalf of Scotty Brown [scotty.b.brown at gmail.com]
Sent: Tuesday, September 01, 2015 01:45
To: bro at bro.org
Subject: [Bro] Email Notice Suppression

Hi All,

I'm running bro 2.4 and have just added a bunch of critical stack intel
feeds.  All is working well.

One of the feeds I have is a list of TOR ips, and once I set notices to
true for the critical stack intel I start getting emails (I've set up
email alerting for notices).

What I would like to do is suppress email alerts for a particular notice
from a particular src host.

ie (intel.log):

1441063489.889373       CEyDP6zbg6ngOFFa    45969  443     -       -       -
Intel::ADDR     Conn::IN_RESP   sensor-eth1-1 from
https://www.dan.me.uk/torlist/ via intel.criticalstack.com

So any notice that fires from src for the torlist intel -
I'd still like to see the notice in the intel file - but not get the
email alert.

Any pointers?



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