Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762994AbYB1Ual (ORCPT ); Thu, 28 Feb 2008 15:30:41 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752246AbYB1Uab (ORCPT ); Thu, 28 Feb 2008 15:30:31 -0500 Received: from outpipe-village-512-1.bc.nu ([81.2.110.250]:58634 "EHLO lxorguk.ukuu.org.uk" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1752791AbYB1Uab (ORCPT ); Thu, 28 Feb 2008 15:30:31 -0500 Date: Thu, 28 Feb 2008 20:19:26 +0000 From: Alan Cox To: Nebojsa Miljanovic Cc: linux-kernel@vger.kernel.org, "Kittlitz, Edward (Ned)" , asweeney@alcatel-lucent.com, "Polhemus, William (Bart)" Subject: Re: SO_REUSEADDR not allowing server and client to use same port Message-ID: <20080228201926.558c4e7c@core> In-Reply-To: <47C6FA2A.5030302@alcatel-lucent.com> References: <47C6FA2A.5030302@alcatel-lucent.com> X-Mailer: Claws Mail 3.2.0 (GTK+ 2.12.5; x86_64-redhat-linux-gnu) Organization: Red Hat UK Cyf., Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SL4 1TE, Y Deyrnas Gyfunol. Cofrestrwyd yng Nghymru a Lloegr o'r rhif cofrestru 3798903 Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 558 Lines: 12 > Currently, Linux does not allow reuse of same local port for both TCP server and > TCP client. I understand that there may be a need to prevent two servers from Think about what happens for simultaneous connect (that obscure little corner of the tcp/ip spec). Now think about what it means for security. 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/