From owner-freebsd-questions Fri Oct 2 09:46:23 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id JAA27166 for freebsd-questions-outgoing; Fri, 2 Oct 1998 09:46:23 -0700 (PDT) (envelope-from owner-freebsd-questions@FreeBSD.ORG) Received: from laker.net (jet.laker.net [205.245.74.2]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id JAA27104 for ; Fri, 2 Oct 1998 09:46:08 -0700 (PDT) (envelope-from sfriedri@laker.net) Received: from nt (digital-pbi-136.laker.net [208.0.233.36]) by laker.net (8.9.0/8.9.LAKERNET.NO-SPAM.SPAMMERS.AND.RELAYS.WILL.BE.TRACKED.AND.PROSECUTED.) with SMTP id MAA15684; Fri, 2 Oct 1998 12:45:37 -0400 Message-Id: <199810021645.MAA15684@laker.net> From: "Steve Friedrich" To: "Jasper O'Malley" , "questions@FreeBSD.ORG" Date: Fri, 02 Oct 1998 12:45:07 -0400 Reply-To: "Steve Friedrich" X-Mailer: PMMail 98 Professional (2.01.1600) For Windows NT (4.0.1381;3) MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Subject: Re: Firewall with 2 NIC and a NET class C Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Fri, 2 Oct 1998 08:56:43 -0500 (CDT), Jasper O'Malley wrote: >On Fri, 2 Oct 1998, Mike wrote: > >> "Our recommendation is to obtain and use registered IP addresses if at >> all possible. If you must use private IP addresses, then use the ones >> specified by RFC1597, but beware that you're setting youself up for >> later problem[s]." >> >> _Building Internet Firewalls_, Ch. 4, p. 90 >> D. Brent Chapman & Elizabeth D. Zwicky > >That's fine and well, but how old is that book? RFC 1597 was >obsoleted by RFC 1918 in February, 1996. What rationale do the >authors employ for suggesting that registered IP addresses behind the >firewall will be "setting yourself up for later problem[s]?" Reread it. It appears to me that they said you'll have problems later if you use non-registered addresses. Unix systems measure "uptime" in years, Winblows measures it in minutes. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message