[Snort-users] Reading a TCPdump file

sekure sekure at ...11827...
Fri Oct 22 06:49:22 EDT 2004

Try defining HOME_NET and EXTERNAL_NET as any and see what happens.

Also try disabling the stream4 preprocessor.

On Fri, 22 Oct 2004 14:35:13 +0100, Mark Johnston
<mark.johnston at ...12582...> wrote:
> Hi there,
> Thanks for the reply ...
> HOME_NET is defined as the IP of the address of the host e.g and EXTERNAL_NET is defined as !HOME_NET. The file is the entire capture of all sessions to that box (it was inline). I didn't use the -z option in the command line.
> Thanks
> Mark
> -----Original Message-----
> From: sekure [mailto:sekure at ...11827...]
> Sent: 22 October 2004 14:20
> To: Mark Johnston
> Cc: snort-users at lists.sourceforge.net
> Subject: Re: [Snort-users] Reading a TCPdump file
> Mark,
> Are you HOME_NET and EXTERNAL_NET variables defined correctly?
> Also, i am not exactly sure if the tcpdump contains a complete
> session, or just the alerts, but if it does NOT contain the entire
> session, Snort won't even look at it, unless you remove the "-z" from
> the commandline (which looks like you did), and remove the "flow"
> keyword from the rules.
> On Thu, 21 Oct 2004 15:15:36 +0100, Mark Johnston
> <mark.johnston at ...12582...> wrote:
> > I'm looking at one of the honeynet scan of the month projects (#27). And
> > what I'm trying to do is get snort to read the TCPdump capture file and view
> > the alerts. Thus far I have configured the conf file to have the appropriate
> > values and run snort against the file, however I'm not getting any generated
> > alerts. I know that I should be getting some though. I also have the latest
> > version of the rules and am running snort 2.2 for Fedora Core 2. The command
> > that I am using is "snort -A full -c /etc/snort/snort.conf -r sotm27"
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