[Snort-users] Code Red attacks

Erek Adams erek at ...577...
Tue Sep 18 09:04:05 EDT 2001


On Tue, 18 Sep 2001, Randy Bradley wrote:

>    I also have had just about enough CR alerts and was thinking along
> those lines.  Can you share an example?  I am thinking of adding
> these lines to my access-group in list:
>
> permit tcp any "my.web.server.ip" eq 80
> deny tcp any any eq 80 log
>
>    NIDS would still see CR attacks on valid servers but this should
> stop the probes on invalid servers.  Any thoughts?

Should work fine.  I'm sure Cisco has a handy-dandy guide on how to setup
those filters.  They got slammed with CR on some of the DSL routers.  Surf
the site and see what you can turn up.

-----
Erek Adams
Nifty-Type-Guy
TheAdamsFamily.Net





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