From owner-freebsd-questions Wed Apr 5 19:32:59 2000 Delivered-To: freebsd-questions@freebsd.org Received: from tomts3-srv.bellnexxia.net (tomts3.bellnexxia.net [209.226.175.141]) by hub.freebsd.org (Postfix) with ESMTP id 23FC637BB63 for ; Wed, 5 Apr 2000 19:32:57 -0700 (PDT) (envelope-from j.telford@sympatico.ca) Received: from sympatico.ca ([216.209.26.112]) by tomts3-srv.bellnexxia.net (InterMail vM.4.01.02.17 201-229-119) with ESMTP id <20000406023232.RIZH1014.tomts3-srv.bellnexxia.net@sympatico.ca>; Wed, 5 Apr 2000 22:32:32 -0400 Message-ID: <38EBF56C.BCD5BE24@sympatico.ca> Date: Wed, 05 Apr 2000 22:24:44 -0400 From: John Telford X-Mailer: Mozilla 4.7 [en]C-SYMPA (Win95; U) X-Accept-Language: en,fr-CA MIME-Version: 1.0 To: Lowell Gilbert , freebsd-questions Subject: Re: Can Firewall prevent streaming video/audio ? References: <38EAA5BA.87E95E7A@sympatico.ca> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Lowell Gilbert wrote: > John Telford writes: > > > (I'm new to FBSD and Firewalls) > > Is there a way to allow clients to browse the internet but prevent them > > from starting incoming video or audio streaming ? > > Several. You can use your firewall to block the well-known ports > associated with whatever protocols you want to stop, or you can use > dummynet(4) to actually limit bandwidth to them instead of actually > blocking them completely. Well known ports to you guys, this is pretty new to me, where might I find a list of these ports ? Thanks, John. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message