Re: BPF problem

[Mike Patterson <mike.patterson () uwaterloo ca>]

On Jul 11, 2014, at 2:00 PM, James Lay <jlay () slave-tothe-box net> wrote:

> On 2014-07-11 11:55, Mike Patterson wrote:
> > On Jul 11, 2014, at 1:49 PM, waldo kitty <wkitty42 () windstream net> 
> > wrote:
> >
> > > On 7/11/2014 1:34 PM, Mike Patterson wrote:
> > > > Following up to myself: I’ve tried various permutations of my BPF 
> > > > filter to
> > > > no avail. I tried Snort versions 2.9.5.3 (which is what’s on my old 
> > > > sensor),
> > > > 2.9.6.0, and 2.9.6.1. Always, Snort says it’s reading my BPF 
> > > > filter, and
> > > > always, it’s including alerts for IPs and networks that are in the 
> > > > filter.
> > > >
> > > > My current filter is of the form:
> > > >
> > > > not (net 1.2.3.4/8 or not net 10.0.0.0/24 or not 172.16.12.1)
> > >
> > > this may not be related to your problem but i can't help seeing the 
> > > double
> > > negatives in the above... are you wanting to include or exclude 
> > > traffic to/from
> > > 10.0.0.0/24 and 172.16.12.1?
> > >
> > > if you want to exclude traffic from them, perhaps you mean to use
> > >
> > > not (net 1.2.3.4/8 or net 10.0.0.0/24 or 172.16.12.1)
> >
> > That’s actually what I’m using, I just can’t transcribe properly.
> >
> > Mike
>
> Give:
>
> not (net 1.2.3.4/8 or net 10.0.0.0/16 or 172.16.12.1)

No joy.

Mike


------------------------------------------------------------------------------
_______________________________________________
Snort-users mailing list
Snort-users () lists sourceforge net
Go to this URL to change user options or unsubscribe:
https://lists.sourceforge.net/lists/listinfo/snort-users
Snort-users list archive:
http://sourceforge.net/mailarchive/forum.php?forum_name=snort-users

Please visit http://blog.snort.org to stay current on all the latest Snort news!