[Snort-users] preprocessor alert

Russ Combs rcombs at ...1935...
Wed Aug 4 08:46:00 EDT 2010


On Wed, Aug 4, 2010 at 8:04 AM, Jason Wallace <jason.r.wallace at ...11827...>wrote:

> If you want to limit/suppress this alert for a single host or network,
> then take a look at your gen-msg.map. That will give you the GID and
> the SID of the preprocessor alert. You can use that information to
> create a threshold or suppression statement. If you do not want to
> ever see the alert for any host look in preprocessor.rules and disable
> the rule.
>
> Wally
>
> On Wed, Aug 4, 2010 at 5:30 AM, ll <ibeginhere at ...11827...> wrote:
> > hi,all
> > the preprocess create too many alerts. for example "stream5: Limit on
> > number of overlapping TCP packets reached".whether I disabled the
> > preprocessor stream5 or some way can disabled there alerts ? which will
> > be better ? and if I want to disabled some alerts created by the
> > preprocessor when I know the the preprocessor SID,how to do that .I just
> > know how to disabled the rules when I know the rules SID.
> >
> >
>
And it *almost* goes without saying that you shouldn't disable stream5,
because much of Snort's detection functionality requires that.


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