From owner-freebsd-questions Fri Jul 13 6:17: 7 2001 Delivered-To: freebsd-questions@freebsd.org Received: from osku.suutari.iki.fi (osku.syncrontech.com [213.28.98.4]) by hub.freebsd.org (Postfix) with ESMTP id 3B17F37B401; Fri, 13 Jul 2001 06:17:01 -0700 (PDT) (envelope-from ari@suutari.iki.fi) Received: from coffee (coffee.intranet.syncrontech.com [192.168.5.14]) by osku.suutari.iki.fi (8.11.3/8.9.3) with SMTP id f6DDGMq36576; Fri, 13 Jul 2001 16:16:23 +0300 (EEST) (envelope-from ari@suutari.iki.fi) Message-ID: <01f101c10b9e$41482530$0e05a8c0@coffee> From: "Ari Suutari" To: "Ruslan Ermilov" Cc: , , References: <20010710110934.D1048@in.nextra.sk> <20010712124152.A80584@sunbay.com> <20010713120211.B4366@in.nextra.sk> <017d01c10b87$b573a4f0$0e05a8c0@coffee> <20010713135855.A65898@sunbay.com> Subject: Re: natd and ICMP 3.4 packets Date: Fri, 13 Jul 2001 16:18:05 +0300 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4133.2400 X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4133.2400 Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG > > > > Doesn't sound good that IP header with private IP address > > gets sent to internet. - after all, the 195.168.3.210 host on internet knows > > nothing about 10.10.1.2... > > > We have discussed this before with Brian and Charles, and have come > up to an agreement that FIREWALL should block these packets, not NAT. > There must be something I don't understand now ? How is the host on the internet now going to know that smaller MTU is required when it sends packets to host inside nat'ed network ? Ari S. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message