From owner-freebsd-net@FreeBSD.ORG Fri May 1 23:02:15 2015 Return-Path: Delivered-To: net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id AD616117 for ; Fri, 1 May 2015 23:02:15 +0000 (UTC) Received: from shell1.rawbw.com (shell1.rawbw.com [198.144.192.42]) by mx1.freebsd.org (Postfix) with ESMTP id 99DAA192B for ; Fri, 1 May 2015 23:02:15 +0000 (UTC) Received: from yuri.doctorlan.com (c-50-184-63-128.hsd1.ca.comcast.net [50.184.63.128]) (authenticated bits=0) by shell1.rawbw.com (8.14.9/8.14.9) with ESMTP id t41N2Etr091910 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO) for ; Fri, 1 May 2015 16:02:14 -0700 (PDT) (envelope-from yuri@rawbw.com) X-Authentication-Warning: shell1.rawbw.com: Host c-50-184-63-128.hsd1.ca.comcast.net [50.184.63.128] claimed to be yuri.doctorlan.com Message-ID: <554405F5.2050400@rawbw.com> Date: Fri, 01 May 2015 16:02:13 -0700 From: Yuri User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:31.0) Gecko/20100101 Thunderbird/31.6.0 MIME-Version: 1.0 To: "net@freebsd.org" Subject: Re: resolvconf(8) always leaves original DNS server in the list, allowing DNS requests to leak References: <5532F439.8070506@rawbw.com> In-Reply-To: <5532F439.8070506@rawbw.com> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 01 May 2015 23:02:15 -0000 On 04/18/2015 17:18, Yuri wrote: > > I would like to suggest the new option: > > -x Make the new DNS server exclusive. > With this option resolvconf(8) will replace the old server with the > new one. Followup to this: This feature has been implemented and released by the openresolv project (upstream), many thanks Roy Marples for this. I submitted the patch for this to be included: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=199854 Yuri