Re: Different bpf filter for every multiple config used in snort

[Russ Combs <rcombs () sourcefire com>]

On Wed, May 22, 2013 at 9:15 AM, C. L. Martinez <carlopmart () gmail com> wrote:
> On Tue, May 21, 2013 at 12:17 PM, Russ Combs <rcombs () sourcefire com> wrote:
> > Probably not in that form.  I'm guessing you actually want to select a
> > policy by BPF, not the other way around.  What are you trying to do
> > beyond the network or  VLAN bindings available now?
>
> Sorry for the late response Russ. I need to configure one snort
> instance with two different configs:
>
> a) One configuration needs to monitor lan 10.196.0.0/24 except 10.196.0.15 host
> b) Another configuration needs to monitor only traffic that comes and
> go to/from host 10.196.0.15.
>
> Obviously, I can do this using two snort instances, but it will be
> good to do with only one instance ...

Have you considered this setup with just one instance?

-- snort.conf is for 10.196.0.0/24
-- snort.conf has:

config binding: host.conf net 10.196.0.15

-- host.conf is for host only
-- use a BPF to limit traffic snort inspects to your network

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