[Snort-users] alert suppression

Joel Esler jesler at ...1935...
Tue May 5 19:39:22 EDT 2009

What alert is generating the tag alerts?  Is it a rule, or is it the stream
preprocessor?  (grep your rules files for the word "Tag".  I think there is
only 1 rule in the VRT ruleset with tag turned on by default.
As for the dcerpc2 preprocessor, take a look at the readme.  It has an
"events none" configuration option for your snort.conf.


On Tue, May 5, 2009 at 6:25 PM, Jefferson, Shawn <
Shawn.Jefferson at ...14448...> wrote:

>  Hi,
> I want to suppress some alerts I’ve been getting, specifically the tag:
> tagged packet.  I’ve tried putting “suppress gen_id 2, sig_id 1” in the
> threshold.conf file, but this doesn’t seem to be working.  Is there a better
> way to suppress this alert?  Especially if there is a method that is better
> performance-wise.  I’ve looked around in the documentation and didn’t see
> anything specific to the tag: tagged packet alert.
> Also, the new dcerpc2 preprocesser is pretty noisy in my environment,
> creating quite a few alerts each day.  Can anyone share any tuning advice
> for this?
> Thanks,
> Shawn
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joel esler | Sourcefire | gtalk: jesler at ...1935... | 302-223-5974 |
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