Re: Snort Rules

[Brian Carpio <carb02 () csgsystems com>]

Thanks for the info it was the -o option that i was missing..


Also i made a typo in my post and i was specifying icmp

pass icmp 205.144.151.100/32 any -> 205.144.151.83/32 any

Thanks

Brian Carpio


On Thu, 7 Jun 2001, Colin Wu wrote:

> Don't you also need to specify the protocol?  i.e. tcp, udp, or icmp?
>
> pass tcp 205.144.151.100/32 any -> 205.144.151.83/32 any
> pass udp 205.144.151.100/32 any -> 205.144.151.83/32 any
>
> Neil Dickey wrote:
>
> > Brian Carpio <carb02 () csgsystems com>wrote asking:
> >
> > > I have created a rule
> > >
> > > pass 205.144.151.100/32 any -> 205.144.151.83/32 any
> > >
> > >
> > > but messages are still getting recored in the /var/adm/messages from ICMP
> > > Requests from this box.. what's wrong with my rule?? does the order of
> > > rules in the snort.conf file regulate this?? Which takes presence a pass
> > > rule or an alert rule??
> >
> > It depends.  If you are using the '-o' switch when invoking snort, then
> > pass rules have precedence over alert rules.  If you aren't, then alert
> > rules have precedence.  Check to be sure that you are using this switch.
> >
> > Best regards,
> >
> > Neil Dickey, Ph.D.
> > Research Associate/Sysop
> > Geology Department
> > Northern Illinois University
> > DeKalb, Illinois
> > 60115
> >
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>
> --
> Colin Wu
>
>
>
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