[Snort-users] snort2.6 BPF issue?

Bamm Visscher bamm.visscher at ...11827...
Thu Nov 16 14:57:47 EST 2006


You need to add the keyword "vlan" to your bpf then.

So,  `/usr/local/snort2.6/bin/snort -v -i eth1 vlan and net 10.0.0.0/8`

You'll also need to enable the VLAN option in your sensor_agent.conf

Bammkkkk


On 11/16/06, John Hally <JHally at ...5637...> wrote:
> Yes, tapping a trunk.
>
> -----Original Message-----
> From: Bamm Visscher [mailto:bamm.visscher at ...11827...]
> Sent: Thursday, November 16, 2006 2:40 PM
> To: John Hally
> Cc: snort-users at lists.sourceforge.net
> Subject: Re: [Snort-users] snort2.6 BPF issue?
>
> Are you useing a SPAN port on a switch with vlan tagging?
>
> Bammkkkk
>
>
> On 11/16/06, John Hally <JHally at ...5637...> wrote:
> >
> >
> >
> >
> > Hello all,
> >
> > I'm having an issue attempting to get the log_packets.sh script from squil
> > capturing traffic with 2.6.  Essentially whats happening is if I use a BPF
> > filter to capture traffic, but whether I use the log_packets.sh script or
> > fire off snort manually using the syntax below I see no traffic at all
> > either logging to file or printing to screen:
> >
> >
> > /usr/local/snort2.6/bin/snort -v -i eth1 net 10.0.0.0/8
> >
> > While:
> >
> > /usr/local/snort2.6/bin/snort -v -I eth1
> >
> > Rifles through tons of traffic.
> >
> > Is BPF filters broken?
> >
> >
> >
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