Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 15 Nov 2002 19:51:22 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 15 Nov 2002 19:51:22 -0500 Received: from zork.zork.net ([66.92.188.166]:31972 "EHLO zork.zork.net") by vger.kernel.org with ESMTP id convert rfc822-to-8bit; Fri, 15 Nov 2002 19:51:21 -0500 To: linux-kernel@vger.kernel.org Subject: Re: Reserving "special" port numbers in the kernel ? References: <1037405489.8019.10.camel@localhost> From: Sean Neakums X-Worst-Pick-Up-Line-Ever: "Hey baby, wanna peer with my leafnode instance?" X-Message-Flag: Message text advisory: MISMATCHED PARENTHESES, NON-SEQUITUR X-Mailer: Norman X-Groin-Mounted-Steering-Wheel: "Arrrr... it's driving me nuts!" X-Alameda: : WHY DOESN'T ANYONE KNOW ABOUT ALAMEDA? IT'S RIGHT NEXT TO OAKLAND!!! Organization: The Emadonics Institute Mail-Followup-To: linux-kernel@vger.kernel.org Date: Sat, 16 Nov 2002 00:58:17 +0000 In-Reply-To: (Arun Sharma's message of "15 Nov 2002 16:53:15 -0800") Message-ID: <6uvg2y49g6.fsf@zork.zork.net> User-Agent: Gnus/5.090008 (Oort Gnus v0.08) Emacs/21.2 (i386-debian-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1329 Lines: 33 commence Arun Sharma quotation: > xavier.bestel@free.fr (Xavier Bestel) writes: > >> Le sam 16/11/2002 ? 01:00, Arun Sharma a écrit? : >> > One of the Intel server platforms has a magic port number (623) that >> > it uses for remote server management. However, neither the kernel nor >> > glibc are aware of this special port. >> > >> > As a result, when someone requests a privileged port using >> > bindresvport(3), they may get this port back and bad things happen. >> > >> > Has anyone run into this or similar problems before ? Thoughts on >> > what's the right place to handle this issue ? >> >> run a dummy app at startup which reserves that port ? > > Yes, I'm already aware of this one, but was looking for a lighter weight > solution (ideally a config file change) that doesn't involve running an > extra process (think of doing this on a large number of machines). inetd -- / | [|] Sean Neakums | Questions are a burden to others; [|] | answers a prison for oneself. \ | - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/