Snort mailing list archives

snort thresholding/event_filter broken? Does thresholding work at all in snort?


From: "Lawrence R. Hughes, Sr." <lhughes () safemedia com>
Date: Tue, 25 Jan 2011 12:22:00 -0500

Hi,

Does thresholding work at all in snort?
We added the following Global threshold per:

GLOBAL THRESHOLDING COMMAND:
----------------------------

The global threshold options are the same as the standard threshold options
with the exception of the 'sig_id' field.  The sig_id field must be set to 0 to
indicate this threshold command applies to all sig_id values with the specified
gen_id. To apply the same threshold to all gen_id's at the same time, and with
just one command specify a value of gen_id=0.


We added the following Global threshold to the threshold.conf file:


event_filter gen_id 122, sig_id 0, type limit, track by_src, count 1, seconds 3600

When snort loads, you see the above event_filter is active, but does not limit the alerts to 1 every 3600 seconds?

Thanks,
Larry




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