Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 24 Apr 2001 10:38:09 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 24 Apr 2001 10:37:59 -0400 Received: from router-100M.swansea.linux.org.uk ([194.168.151.17]:28940 "EHLO the-village.bc.nu") by vger.kernel.org with ESMTP id ; Tue, 24 Apr 2001 10:37:41 -0400 Subject: Re: [OFFTOPIC] Re: [PATCH] Single user linux To: viro@math.psu.edu (Alexander Viro) Date: Tue, 24 Apr 2001 15:37:34 +0100 (BST) Cc: alan@lxorguk.ukuu.org.uk (Alan Cox), mhaque@haque.net (Mohammad A. Haque), ttel5535@artax.karlin.mff.cuni.cz, mharris@opensourceadvocate.org (Mike A. Harris), linux-kernel@vger.kernel.org In-Reply-To: from "Alexander Viro" at Apr 24, 2001 10:22:52 AM X-Mailer: ELM [version 2.5 PL1] MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-Id: From: Alan Cox Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > > It is possible to implement the entire mail system without anything running > > as root but xinetd. > > You want an MDA with elevated privileges, though... What role requires priviledge once the port is open ? DNS lookup does not Spooling to disk does not Accepting a connection from a client does not Doing peercred auth with a client does not Copying spool articles matching the peercred to the client does not Alan - 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/