From owner-freebsd-security Thu Jan 16 03:03:53 1997 Return-Path: Received: (from root@localhost) by freefall.freebsd.org (8.8.4/8.8.4) id DAA16207 for security-outgoing; Thu, 16 Jan 1997 03:03:53 -0800 (PST) Received: from shadows.aeon.net (bsdsec@shadows.aeon.net [194.100.41.1]) by freefall.freebsd.org (8.8.4/8.8.4) with ESMTP id DAA16199 for ; Thu, 16 Jan 1997 03:03:42 -0800 (PST) Received: (from bsdsec@localhost) by shadows.aeon.net (8.8.4/8.8.3) id NAA22995; Thu, 16 Jan 1997 13:02:34 +0200 (EET) From: mika ruohotie Message-Id: <199701161102.NAA22995@shadows.aeon.net> Subject: Re: Firewall and FreeBSD CIDR To: black@squid.gage.com (Ben Black) Date: Thu, 16 Jan 1997 13:02:33 +0200 (EET) Cc: security@freebsd.org In-Reply-To: <9701151714.AA29561@squid.gage.com> from Ben Black at "Jan 15, 97 11:14:16 am" X-Mailer: ELM [version 2.4ME+ PL22 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-security@freebsd.org X-Loop: FreeBSD.org Precedence: bulk > CIDR has nothing to do with this. the term for what you are doing is > subnetting. CIDR is the aggregation of large blocks of class C networks to > reduce routing table size. actually, CIDR number can point to a subnet of C-class too... and it can be non C-class also... as rfc1878 says... /25 - /31 (yes, yes, /32 too) are subnets, /1 - /8 As, /9 - /16 Bs, and between those (/17 - /24) full Cs but we knew it... =) > b3n mickey