From owner-freebsd-current Thu Jul 25 10:28:49 2002 Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id EBCA537B405 for ; Thu, 25 Jul 2002 10:28:43 -0700 (PDT) Received: from cheer.mahoroba.org (flets19-007.kamome.or.jp [218.45.19.7]) by mx1.FreeBSD.org (Postfix) with ESMTP id 7159B43E3B for ; Thu, 25 Jul 2002 10:28:42 -0700 (PDT) (envelope-from ume@mahoroba.org) Received: from localhost (IDENT:Q6sSDM6qJW1MKNgd2Dv+gNy/mg5FkyH7go4b5oaaTmrzwWh3fF5grY35s6e4Ep79@localhost [IPv6:::1]) (user=ume mech=CRAM-MD5 bits=0) by cheer.mahoroba.org (8.12.5/8.12.5) with ESMTP/inet6 id g6PHSbB4097677 (version=TLSv1/SSLv3 cipher=EDH-RSA-DES-CBC3-SHA bits=168 verify=NO); Fri, 26 Jul 2002 02:28:37 +0900 (JST) (envelope-from ume@mahoroba.org) Date: Fri, 26 Jul 2002 02:28:37 +0900 Message-ID: From: Hajimu UMEMOTO To: "Jeroen C.van Gelderen" Cc: current@FreeBSD.org Subject: Re: HEADS UP: an IPv4-mapped IPv6 address off by default In-Reply-To: References: User-Agent: xcite1.38> Wanderlust/2.9.13 (Unchained Melody) SEMI/1.14.3 (Ushinoya) FLIM/1.14.3 (=?ISO-8859-4?Q?Unebigory=F2mae?=) APEL/10.3 Emacs/21.2 (i386--freebsd) MULE/5.0 (=?ISO-2022-JP?B?GyRCOC1MWhsoQg==?=) X-Operating-System: FreeBSD 4.6-STABLE MIME-Version: 1.0 (generated by SEMI 1.14.3 - "Ushinoya") Content-Type: text/plain; charset=US-ASCII X-Virus-Scanned: by AMaViS-perl11-milter (http://amavis.org/) Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Hi, >>>>> On Thu, 25 Jul 2002 12:50:49 -0400 >>>>> "Jeroen C.van Gelderen" said: jeroen> May I ask what motivated this change? Yes. There is discussion that an IPv4-mapped IPv6 address has potential security weakness in developping application and/or operating servers. NetBSD's default is off, and OpenBSD doesn't support an IPv4-mapped IPv6 address. Sincerely, -- Hajimu UMEMOTO @ Internet Mutual Aid Society Yokohama, Japan ume@mahoroba.org ume@bisd.hitachi.co.jp ume@{,jp.}FreeBSD.org http://www.imasy.org/~ume/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message