On Tue, Oct 16, 2012 at 11:18 AM, cgzones <[email protected]> wrote:
> Hi list,
> i have a request on the rule philosophy, how and when rules handle unknown
> events.
> At this time there is the weighty rule 1002, to catch many error messages,
> but then the rules are looking for something they know.
> For example the ssh rules:
> All of the ssh rules are matched by rule 5700. After this match all child
> rules are tested.
> But when a new attack appears or a new version of ssh outputs a new kind of
> log or we forget to create a rule for a rare event, we would not recognize
> it, because rule 5700 has level 0 and the option noalert.
> So i use a edited version for ssh, where rule 5700 has level 5.
> At the beginning there might be many alerts to ignore (writing rules with
> level 0), but after a time you can get sure not to miss a unknown event.
>
> Best regards
>     Christian Göttsche
>
> p.s.: my sshd_rules.xml is attached
>

What's the request?

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