Snort mailing list archives

Re: disable network in var HOME_NET


From: "Joel Esler" <eslerj () gmail com>
Date: Tue, 13 Jan 2009 08:37:35 -0500

Actually, IIRC, you can do a negative and a positive in the same
variable, as of a couple versions ago.  However, IIRC, the negative
cidr has to be smaller than the bigger.  Which, in your below example,
it is.

J

On Tue, Jan 13, 2009 at 8:02 AM, Jack Pepper
<pepperjack () afferentsecurity com> wrote:
Quoting Sascha Hintz <sascha.hintz () gmx net>:

I would like to disable our VPN Network in HOME_NET. Because i dont
want have attacker alerts from this network.

Can you help me ?

maybe.  here is what you *cannot* do:  use a negation in the HOME_NET
var.  Things like this will not work:
  var HOME_NET [10.3.0.0/16,!10.3.4.0/24]
You cannot negate an address range that is a proper subset of an
already defined address range.  We've all tried it.  It won't fly.

you will have to do something like this to enumerate what *is* in home_net:

  var HOME_NET [10.3.1.0/24,10.3.2.0/24,10.3.3.0/24,10.3.5.0/24]

jp


--

Framework?  I don't need no stinking framework!

----------------------------------------------------------------
@fferent Security Labs:  Isolate/Insulate/Innovate
http://www.afferentsecurity.com


------------------------------------------------------------------------------
This SF.net email is sponsored by:
SourcForge Community
SourceForge wants to tell your story.
http://p.sf.net/sfu/sf-spreadtheword
_______________________________________________
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://www.geocrawler.com/redir-sf.php3?list=snort-users


------------------------------------------------------------------------------
This SF.net email is sponsored by:
SourcForge Community
SourceForge wants to tell your story.
http://p.sf.net/sfu/sf-spreadtheword
_______________________________________________
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://www.geocrawler.com/redir-sf.php3?list=snort-users


Current thread: