From owner-freebsd-questions@FreeBSD.ORG  Wed Sep 21 21:02:00 2005
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
X-Original-To: freebsd-questions@freebsd.org
Delivered-To: freebsd-questions@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id C59F616A41F
	for <freebsd-questions@freebsd.org>;
	Wed, 21 Sep 2005 21:02:00 +0000 (GMT)
	(envelope-from freebsd-questions-local@be-well.ilk.org)
Received: from mail21.sea5.speakeasy.net (mail21.sea5.speakeasy.net
	[69.17.117.23]) by mx1.FreeBSD.org (Postfix) with ESMTP id 2396243D5F
	for <freebsd-questions@freebsd.org>;
	Wed, 21 Sep 2005 21:01:59 +0000 (GMT)
	(envelope-from freebsd-questions-local@be-well.ilk.org)
Received: (qmail 31506 invoked from network); 21 Sep 2005 21:01:59 -0000
Received: from dsl092-078-145.bos1.dsl.speakeasy.net (HELO be-well.ilk.org)
	([66.92.78.145])
	(envelope-sender <freebsd-questions-local@be-well.ilk.org>)
	by mail21.sea5.speakeasy.net (qmail-ldap-1.03) with SMTP
	for <freebsd-questions@freebsd.org>; 21 Sep 2005 21:01:59 -0000
Received: by be-well.ilk.org (Postfix, from userid 1147)
	id 4317941; Wed, 21 Sep 2005 17:01:57 -0400 (EDT)
Sender: lowell@be-well.ilk.org
To: ann kok <annkok2001@yahoo.com>,  freebsd-questions@freebsd.org
References: <20050921202013.15670.qmail@web53305.mail.yahoo.com>
	<B8D4FCC6-584A-419B-A767-263248E011AE@mac.com>
From: Lowell Gilbert <freebsd-questions-local@be-well.ilk.org>
Date: 21 Sep 2005 17:01:56 -0400
In-Reply-To: <B8D4FCC6-584A-419B-A767-263248E011AE@mac.com>
Message-ID: <44aci6b0e3.fsf@be-well.ilk.org>
Lines: 26
User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Cc: 
Subject: Re: pls help for ipfw
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 21 Sep 2005 21:02:00 -0000

Charles Swiger <cswiger@mac.com> writes:

> On Sep 21, 2005, at 4:20 PM, ann kok wrote:
> > my rules:
> >
> > ipfw add allow udp from any to tftpserverip
> > ipfw add allow udp from tftpserverip to any
> >
> > In the freebsd box, I can access tftp server but
> > internal users is hanging in the "get" state
> 
> TFTP may also use TCP:
> 
> % grep tftp /etc/services
> tftp             69/udp     # Trivial File Transfer
> tftp             69/tcp     # Trivial File Transfer

Except that it doesn't.  The port is reserved to avoid confusion, but
the TFTP protocol doesn't run on TCP.

NAT is probably hanging things up.  I think that all that's needed is
to "add-state" on the outgoing TFTP rule.

-- 
Lowell Gilbert, embedded/networking software engineer, Boston area
		http://be-well.ilk.org/~lowell/