Dkim-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mst.edu; s=google; h=subject:to:references:from:organization:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=jl8Zk8MmfNWggN4JfWSeoPAG4PsCqP7jHtxZ1/xiTy8=; b=PVGX7VpxqNsDGNrj5swHgfArvO1gvX9bqXv5CwPIdHNCcFo7s7WRTGUEEMUU617ki/ IK7ZvUESlPIwlq0lsJQH9hIn8HcMDTHEfhD5vpeP03f0AtZtSG0LEXHQuQpweajihOJv 6MnqLtQlQFAvx5k+u3zybyIk0N9GjG8Qw+p9g= From nneul@mst.edu Fri Feb 2 18:39:36 2018 X-Received: by 10.107.53.221 with SMTP id k90mr43512686ioo.6.1517596771948; Fri, 02 Feb 2018 10:39:31 -0800 (PST) X-Google-SMTP-Source: AH8x226SEk1a0tTKbHJrq7y3Gvf5vRWT1xk++wlk9KKxkf8r/VK8HVZfzmZ5ph+gaThIkkMIBr40Yg== X-Google-Dkim-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:references:from:organization :message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=jl8Zk8MmfNWggN4JfWSeoPAG4PsCqP7jHtxZ1/xiTy8=; b=RfULZ4rxsmO4Av/ANyu7avzX1YW5Ey7NtzU9sRv3aDel0YO/7GOkminlZAI+V5pjic GRhMfmF9Daz5FIP7/ShqLVA6kSmyf7b18o53F1YZid95LDSMvgcK1u92dWmnTSbNL2Bu qGTN1lQIri+6Yb3aCuT6H3QNNGMRlhcY+EgjOvm+X1zRavmi/fbr9GR5el0IniP2G2rV HVfq35aEcNC9qN1m8HooTSoJdBq5T9QQffANAbyFHdjT4B9N3bn8fARNs1RXlXz89WQD NGkSrNexf5FYKHMv4oJGYUfzdvPrZQOGttlZbF55e9M52lbWQmZojo/5vBPk/FqDXgAf DiTg== X-Spam-Status: No, score=-0.7 required=5.0 tests=RCVD_IN_DNSWL_LOW autolearn=disabled version=3.4.1 MIME-Version: 1.0 In-Reply-To: Organization: Missouri S&T Content-Language: en-US From: "Nathan Neulinger" X-RT-Interface: Email To: bind9-confidential@isc.org X-RT-Incoming-Encryption: Not encrypted X-GM-Message-State: AKwxyteZk5BtNKx4vfY1nTbELgrw/Va4Vgo++bu9XqzZ2xY0xcOqXwwn MfKFdulX4gqfVezy2hG8bzKmpeZl Received: from mx.pao1.isc.org (mx.pao1.isc.org [IPv6:2001:4f8:0:2::2b]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mx.pao1.isc.org", Issuer "COMODO RSA Organization Validation Secure Server CA" (not verified)) by bugs.isc.org (Postfix) with ESMTPS id B6361D78B0E for ; Fri, 2 Feb 2018 18:39:35 +0000 (UTC) Received: from mail-io0-x22a.google.com (mail-io0-x22a.google.com [IPv6:2607:f8b0:4001:c06::22a]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mx.pao1.isc.org (Postfix) with ESMTPS id 33D5D3AB06F for ; Fri, 2 Feb 2018 18:39:33 +0000 (UTC) Received: by mail-io0-x22a.google.com with SMTP id p188so23891802ioe.12 for ; Fri, 02 Feb 2018 10:39:33 -0800 (PST) Received: from [192.168.125.10] (67-43-241-123.fidnet.com. [67.43.241.123]) by smtp.gmail.com with ESMTPSA id d11sm1577074iob.8.2018.02.02.10.39.30 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 02 Feb 2018 10:39:30 -0800 (PST) References: <20180202183831.GA97752@isc.org> Message-ID: <3dfe4ded-7240-de6e-0f65-097957c06bc6@mst.edu> X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on mx.pao1.isc.org content-type: text/plain; charset="utf-8"; format="flowed" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:58.0) Gecko/20100101 Thunderbird/58.0 X-Original-To: bind9-confidential@bugs.isc.org Content-Transfer-Encoding: 7bit Return-Path: Delivered-To: bind9-confidential@bugs.isc.org Date: Fri, 2 Feb 2018 12:39:29 -0600 Subject: Re: [ISC-Bugs #47109] Changes in 9.12 (related to additional-from changes?) break functionality of a recursive resolver that has cnames crossing zones X-RT-Original-Encoding: utf-8 RT-Message-ID: Content-Length: 830 Thank you! On 2/2/18 12:38 PM, Evan Hunt via RT wrote: > Thank you for the report. This is a known bug; the restriction of > cross-zone CNAMEs was being incorrectly applied to recursive queries as > well as authoritative. (The bug has existed for a long time, actually, > but was masked by another one that went away when we removed > additional-from-auth.) Someone else reported the same issue last week, > and it's already been fixed for the 9.12.1 maintenance release. > > If you wish you can pull an updated version of the v9_12 branch from our > source repository (source.isc.org), or apply the attached patch. > -- ------------------------------------------------------------ Nathan Neulinger nneul@mst.edu Missouri S&T Information Technology (573) 612-1412 System Administrator - Architect