Re: snort-1.8.7 and alert file

[<bthaler () webstream net>]

That did the trick, no more alert file.  For some reason, OBSD wouldn't let me log to /dev/null, but the "-A none" 
option seems to
work fine.

The only problem now is the packet loss.  I'm still getting more than 30%, which is not acceptable for my application 
of snort.

I'll let it run for a while and see where the packet loss settles at, but I'm sure it will still be quite high.  I'm 
using about 600
rules, so you can tell, I've trimmed quite a bit from the default ruleset.

The machine is a dual 500 PII, with 256MB of RAM, but OBSD only uses one processor, so consider it a single 500 PII.  
The disk is
IDE, not SCSI.  Would that make that big of a difference?  My $HOME_NET is specified as 1 /20, 1 /21, and 1 /24.  Would 
this make a
big difference?

The snort sensor is placed on a mirrored port of a switch directly downstream of the edge router.

Any suggestions are appreciated.





Regards,

Brad T.




----- Original Message -----
From: "Andrew R. Baker" <andrewb () snort org>
To: <bthaler () webstream net>
Cc: <snort-users () lists sourceforge net>
Sent: Tuesday, July 30, 2002 11:35 AM
Subject: Re: [Snort-users] snort-1.8.7 and alert file


> bthaler () webstream net wrote:
> > OK.  Now my snort.conf has this:
> >
> > output log_null
> > output log_unified: filename snort.log, limit 128
> >
> > And logging is back, but so is the alert file.  Sorry if I'm missing something really basic here.
> >
> > As far as my network utilization, I'm using about 30Mbit of a 45Mbit pipe.
>
> get rid of the log_null and the "-N" on the commandline.  Instead add
> "-A none" to your commandline to turn off the alerting.  The unified log
> file will contain the alert data *and* the packet logs.
>
> -A



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