Snort mailing list archives
Re: Will this work - negated hosts?
From: "Weir, Jason" <jason.weir () nhrs org>
Date: Tue, 26 Oct 2010 11:06:24 -0400
-----Original Message----- From: Crook, Parker [mailto:Parker_Crook () reyrey com] Sent: Tuesday, October 26, 2010 11:02 AM To: Weir, Jason; snort-users () lists sourceforge net Subject: RE: Will this work - negated hosts?-----Original Message----- From: Weir, Jason [mailto:jason.weir () nhrs org] Sent: Tuesday, October 26, 2010 10:50 AM To: snort-users () lists sourceforge net Subject: [Snort-users] Will this work - negated hosts? var HOME_NET [192.168.1.0/22,192.168.2.0/24] var DNS_SERVERS [192.168.1.1,192.168.2.1] var HOME_NET_MINUS_DNS [$HOME_NET,!$DNS_SERVERS] And then use $HOME_NET_MINUS_DNS in a rule like this. alert tcp [10.1.1.1,10.1.1.2,10.1.1.3] any ->$HOME_NET_MINUS_DNS any-JasonJason, yes this will work... I have been using logical negations from IP ranges for quite some time successfully (page 26 of the 2.9 manual). -Parker
Thanks Parker - wonder about 2.8.6.1 - off to RTFM thanks... -J _____________________________________________________________________________________________ Please visit www.nhrs.org to subscribe to NHRS email announcements and updates. ------------------------------------------------------------------------------ Nokia and AT&T present the 2010 Calling All Innovators-North America contest Create new apps & games for the Nokia N8 for consumers in U.S. and Canada $10 million total in prizes - $4M cash, 500 devices, nearly $6M in marketing Develop with Nokia Qt SDK, Web Runtime, or Java and Publish to Ovi Store http://p.sf.net/sfu/nokia-dev2dev _______________________________________________ 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:
- Will this work - negated hosts? Weir, Jason (Oct 26)
- Re: Will this work - negated hosts? Crook, Parker (Oct 26)
- Re: Will this work - negated hosts? Weir, Jason (Oct 26)
- <Possible follow-ups>
- Re: Will this work - negated hosts? Weir, Jason (Oct 26)
- Re: Will this work - negated hosts? Crook, Parker (Oct 26)