RE: No clue?

[John Friedman <jfriedmanx () yahoo com>]

Thanks for the help.  Now, I comment out 
                         memcap { 10000000 } \
                         sense_level { low } 
and the snort service can be restarted fine but , I
still get these alerts:
************************* 
ID   < Signature >   < Timestamp >   < Source Address
>   < Dest. Address >   < Layer 4 Proto >  
            #0-(2-11319)        [snort] spp_portscan:
End of portscan from 10.1.10.5: TOTAL time(1s)
hosts(2) TCP(5) UDP(0)        2005-11-15 17:36:36     
  10.1.10.5        unknown        IP     
            #1-(2-11318)        [snort] spp_portscan
from 10.1.10.5: 5 connections across 2 hosts: TCP(5),
UDP(0)        2005-11-15 17:36:19        10.1.10.5    
   unknown        IP     
            #2-(2-11317)        [snort] spp_portscan
detected from 10.1.10.5 (THRESHOLD 4 connections
exceeded in 0 seconds)        2005-11-15 17:36:09     
  10.1.10.5        unknown        IP    
********

Then I use ignore_scanners {i0.1.10.5} and I still get
these alerts too.

No clue why?

Thanks,

John


--- "Briggs, Bruce" <Bruce.Briggs () suny edu> wrote:

> Did you comment out the lines following the   
> preprocessor sfportscan
> line?
>                         memcap { 10000000 } \
>                         sense_level { low } 
>
>
> A few lines about    preprocessor sfportscan  is a
> description of
> ignore_scanners 
>
> Bruce
>
> -----Original Message-----
> From: snort-users-admin () lists sourceforge net
> [mailto:snort-users-admin () lists sourceforge net] On
> Behalf Of John
> Friedman
> Sent: Tuesday, November 15, 2005 2:47 PM
> To: snort
> Subject: Re: [Snort-users] No clue?
>
> Thank you for your reply.  If I comment out 
> # preprocessor sfportscan:
> the snort service can not be started.  Also, what's
> the syntax to ignore this host from sf portscan?
>
> Thansk for your help,
>
> John
>
> --- Matt Kettler <mkettler () evi-inc com> wrote:
>
> > John Friedman wrote:
> > > Hi all,
> > >  
> > > Since I did not get any reply on this, is there
> > any way to suppress or
> > > pass this alert?
> > >  
> >
> > Suggestion: look at the ignorehosts option for
> > portscan.
> >
> > Pass definitely will not work. Since pass is a
> rule,
> > it can only work if the
> > offending traffic is matching a rule.
> >
> > You might be able to suppress it, but you'd
> probably
> > wind up having to suppress
> > all portscans...
> >
> > It's generally best to configure your portscan
> > plugins properly in the first
> > place. Actually, if you're monitoring an internal
> > LAN, you'll probably just want
> > to turn it off or turn the thresholds way up.
>
>
>
>               
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