Path: csiph.com!aioe.org!nntp.terraraq.uk!nntp-feed.chiark.greenend.org.uk!ewrotcd!usenet-its.stanford.edu!usenet.stanford.edu!not-for-mail From: Fred Morris Newsgroups: comp.protocols.dns.bind Subject: Re: Response Policy Zone: disabling "leaking" of lookups Date: Thu, 3 Sep 2020 11:44:56 -0700 Lines: 24 Approved: bind-users@lists.isc.org Message-ID: References: <4ef66fdfdcae3d73aa3dd6df1b115fe37ac5675c.camel@byington.org> <78bc23f4-7163-b4d3-63ef-91a21ddb6c99@m3047.net> NNTP-Posting-Host: lists.isc.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Trace: usenet.stanford.edu 1599158715 26184 149.20.1.60 (3 Sep 2020 18:45:15 GMT) X-Complaints-To: action@cs.stanford.edu Cc: dnsfirewalls To: bind-users@lists.isc.org Return-Path: X-Original-To: bind-users@lists.isc.org Delivered-To: bind-users@lists.isc.org Openpgp: preference=signencrypt User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 In-Reply-To: <4ef66fdfdcae3d73aa3dd6df1b115fe37ac5675c.camel@byington.org> Content-Language: en-US X-Spam-Status: No, score=0.0 required=5.0 tests=SPF_HELO_NONE,SPF_PASS autolearn=disabled version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on mx.pao1.isc.org X-BeenThere: bind-users@lists.isc.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: BIND Users Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Mailman-Original-Message-ID: <78bc23f4-7163-b4d3-63ef-91a21ddb6c99@m3047.net> X-Mailman-Original-References: <4ef66fdfdcae3d73aa3dd6df1b115fe37ac5675c.camel@byington.org> Xref: csiph.com comp.protocols.dns.bind:16095 Carl Byington wrote: > On Wed, 2020-09-02 at 17:47 -0700, Fred Morris wrote: > > how do I disable the (useless) resolution directed at upstream > > servers? > > Isn't that just "qname-wait-recurse no;" > You are correct! I got confused and the doc didn't help. The logic is tri-state: *Default* (not present): The lookup is performed, but isn't waited for. *Yes*: Resolution waits for the lookup to complete. *No*: Resolution is not performed. Verified by testing. :-) Thanks for the sanity check. -- Fred Morris