X-Recipient: archive-cygwin AT delorie DOT com X-SWARE-Spam-Status: No, hits=-2.8 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_LOW X-Spam-Check-By: sourceware.org Date: Tue, 16 Mar 2010 08:19:34 -1000 (HST) From: Antonio Querubin To: cygwin AT cygwin DOT com Subject: Re: IPv6 help (Re: inetutils, r* commands) In-Reply-To: <20100316150227.GY6505@calimero.vinschen.de> Message-ID: References: <4B9EEF35 DOT 9000701 AT cwilson DOT fastmail DOT fm> <20100316113210 DOT GW6505 AT calimero DOT vinschen DOT de> <4B9F8D32 DOT 9060201 AT cwilson DOT fastmail DOT fm> <20100316150227 DOT GY6505 AT calimero DOT vinschen DOT de> User-Agent: Alpine 2.00 (OSX 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-IsSubscribed: yes Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com Delivered-To: mailing list cygwin AT cygwin DOT com On Tue, 16 Mar 2010, Corinna Vinschen wrote: >> Now, on the loopback connection (obv. on the Vista computer), the >> incoming client packet says "hi, I'm ::ffff::127.0.0.1": > > More hmm. But that actually means it's using an AF_INET6 socket for an > IPv4 addresses. If the target is V4 anyway, why? V4 routing through a > V6-only network is job of the routers. An INET6 socket should always use mapped addresses to represent IPv4 connections by design. Antonio Querubin 808-545-5282 x3003 e-mail/xmpp: tony AT lava DOT net -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple