From owner-freebsd-questions@FreeBSD.ORG Thu Dec 23 22:51:25 2004 Return-Path: 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 DA35816A4CE for ; Thu, 23 Dec 2004 22:51:25 +0000 (GMT) Received: from cqgigw.cqg.com (cqgigw.cqg.com [208.48.16.21]) by mx1.FreeBSD.org (Postfix) with ESMTP id A886F43D53 for ; Thu, 23 Dec 2004 22:51:25 +0000 (GMT) (envelope-from tomc@cqg.com) Received: from cqgmail.cqg.com (int.cqg.com [96.0.0.2]) iBNMpLGf021283; Thu, 23 Dec 2004 15:51:21 -0700 Received: from d3stomc ([192.168.17.154]) by cqgmail.cqg.com (8.12.8/8.12.8) with ESMTP id iBNMpFdV006500; Thu, 23 Dec 2004 15:51:15 -0700 From: "Tom Connolly" To: "'Tom Connolly'" , "'Chuck Swiger'" , "'Marc G. Fournier'" Date: Thu, 23 Dec 2004 15:51:15 -0700 Message-ID: <025a01c4e941$e84e5410$9a11a8c0@d3stomc> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.4510 In-Reply-To: <025301c4e940$3eb89740$9a11a8c0@d3stomc> Importance: Normal X-MimeOLE: Produced By Microsoft MimeOLE V6.00.3790.181 X-MailScanner: Found to be clean, Found to be clean X-MailScanner-Information: Please contact the ISP for more information X-MailScanner-SpamCheck: not spam (whitelisted), SpamAssassin (score=0, required 3) cc: freebsd-questions@freebsd.org Subject: RE: Effective ipfw rules for blocking MSN Messenger ... ? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 23 Dec 2004 22:51:26 -0000 -----Original Message----- From: owner-freebsd-questions@freebsd.org [mailto:owner-freebsd-questions@freebsd.org] On Behalf Of Chuck Swiger Sent: Thursday, December 23, 2004 3:33 PM To: Marc G. Fournier Cc: freebsd-questions@freebsd.org Subject: Re: Effective ipfw rules for blocking MSN Messenger ... ? Marc G. Fournier wrote: > I just setup a FreeBSD box for a router, so that I could make use of=20 > ipfw to block MSN Messenger traffic ... but I'm having a bugger of a=20 > time finding a "definitive" list of what needs to be blocked :( I believe that MSN Messenger dynamically allocates ports. I know this is true for audio and video communications. The standard SIP port is 5060 if that helps. Tom One more thing to clarify. I think by blocking the SIP port you could stop Messenger from receiving contact presence information and hence, block Messenger. Tom _______________________________________________ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org"