From owner-freebsd-questions Tue Jan 21 16:34: 9 2003 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 8816137B401 for ; Tue, 21 Jan 2003 16:34:07 -0800 (PST) Received: from galilee.polands.org (new-24-208-57-240.new.rr.com [24.208.57.240]) by mx1.FreeBSD.org (Postfix) with ESMTP id 3340E43F13 for ; Tue, 21 Jan 2003 16:34:06 -0800 (PST) (envelope-from djp@polands.org) Received: from babylon.polands.org (babylon.polands.org [172.16.1.16]) by galilee.polands.org (8.12.6/8.12.6) with ESMTP id h0M0Y4Il080150; Tue, 21 Jan 2003 18:34:04 -0600 (CST) (envelope-from djp@galilee.polands.org) Received: from babylon.polands.org (localhost.polands.org [127.0.0.1]) by babylon.polands.org (8.12.6/8.12.6) with ESMTP id h0M0Y4Lw089489; Tue, 21 Jan 2003 18:34:04 -0600 (CST) (envelope-from djp@babylon.polands.org) Received: (from djp@localhost) by babylon.polands.org (8.12.6/8.12.6/Submit) id h0M0Y4DL089488; Tue, 21 Jan 2003 18:34:04 -0600 (CST) Date: Tue, 21 Jan 2003 18:34:03 -0600 From: Doug Poland To: Kirk Strauser Cc: freebsd-questions@FreeBSD.ORG Subject: Re: IPFW, blocking IM servers Message-ID: <20030122003403.GA89464@babylon.polands.org> References: <34651.63.104.35.130.1043185192.squirrel@email.polands.org> <87hec2jggs.fsf@pooh.honeypot.net> <20030121230308.GA89143@babylon.polands.org> <87el76hw7a.fsf@pooh.honeypot.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87el76hw7a.fsf@pooh.honeypot.net> User-Agent: Mutt/1.3.27i 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 On Tue, Jan 21, 2003 at 06:20:09PM -0600, Kirk Strauser wrote: > > At 2003-01-21T23:03:09Z, Doug Poland writes: > > > I'm concerned about the big 3, AOL, MSN, and Yahoo. They must > > have a limited IP range they use. > > From GAIM's account editor: > > AOL : login.oscar.aol.com:5190 > Yahoo: scs.yahoo.com:5050 > MSN : messenger.hotmail.com:1863 > thanks > > This is my boss's idea! Also there are also a number of > > volunteers who cannot be fired. > > Ahh, then, that makes a difference. I'd still advertise an explicit > "no IM!" policy. > It's in the acceptable use policy :) > > I'm doing that now, however, I know the Yahoo client will use any > > open port it can find and tunnel through that. > > I hadn't been aware of that. Seems like rather un-neighborly > behaviour. > It's quite insidious, MSN and AOL maybe guilty too > > Actually, this is to head of the problem before it starts. Thanks > > for you input and point of view Kirk. > > Gotcha. Or, do what a friend of mine does (but denies): commandeer > your own local server, and use it to insert enough bogus messages > into the local network to make IM clients unusable. :) > I've seen references to things like that but didn't fully understand what they were doing. I don't (yet) have any determined users hell-bent on subverting network policies. This is largely to keep the honest honest and the paid staff working, not chatting. Thanks again for your insight. -- Regards, Doug To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message