[Oisf-users] Threshold.conf not working

Josh Brower joshbrower at gmail.com
Fri Jan 18 03:07:04 UTC 2013


I apologize, but I am not sure what you mean, when you say *"Can you remove
the threshold filter from the rule and check if the suppression works?"*

Thanks

-Josh


On Tue, Jan 8, 2013 at 1:36 PM, Anoop Saldanha <anoopsaldanha at gmail.com>wrote:

> IIRC, if we have a event filter set *in* the rule, it would override
> the event filter set inside the conf file.
>
> From what you're describing, the behaviour hasn't been changed,
> although it was on our cards.  Thought it had been changed.
>
> Can you remove the threshold filter from the rule and check if the
> suppression works?
>
>
> On Mon, Jan 7, 2013 at 7:35 PM, Josh Brower <Josh at defensivedepth.com>
> wrote:
> > My SOSERVER was doing a (legit) NTP lookup via that IP....
> >
> > Is it possible that this bug is the cause of the issue?
> > https://redmine.openinfosecfoundation.org/issues/613
> >
> > -Josh
> >
> >
> > On Mon, Jan 7, 2013 at 8:52 AM, Matt Jonkman <jonkman at jonkmans.com>
> wrote:
> >>
> >> I don't have any ideas on why the suppress isn't working, hopefully
> >> someone else may have an idea there.
> >>
> >> I'm chasing down that false positive though. Looks like that IP is an
> irc
> >> server as well which is probably where it got listed in the shadowserver
> >> feed. Will ping them to see if they're ok removing it.
> >>
> >> Matt
> >>
> >>
> >> On Sun, Jan 6, 2013 at 3:05 PM, Josh Brower <joshbrower at gmail.com>
> wrote:
> >>>
> >>> I am using Suricata with the latest version of Security Onion (12.04),
> >>> which uses Suricata 1.3.3.  I have threshold.conf with 18 entries.  I
> have
> >>> verified that Suricata loaded those 18 rules on startup ("Threshold
> config
> >>> parsed: 18 rule(s) found")
> >>>
> >>> But I still get alerts firing for these entries... For example, in my
> >>> threshold.conf:
> >>>
> >>> #Suppress - ET CNC Shadowserver Reported CnC Server IP (group 38)  for
> >>> SOSERVER- False Positive - 12/12
> >>>
> >>>  suppress gen_id 1, sig_id 2404037, track by_dst, ip 72.8.140.222
> >>>
> >>> I restart Suricata, and I still get this alert firing for the dst IP of
> >>> 72.8.140.222.
> >>>
> >>> What should I tshoot next?
> >>>
> >>> Thanks
> >>>
> >>> -Josh
> >>>
>
>
>
> --
> Anoop Saldanha
>
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