From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Unknown Newsgroups: gmane.emacs.bugs Subject: bug#14779: 24.3; Failure to resolve IPv6 addresses in make-network-process Date: Wed, 23 Oct 2019 14:24:40 +0200 Message-ID: <87ftjjmyyf.fsf@toke.dk> References: <87d2qzzs1t.fsf@toke.dk> <875zkfhera.fsf@gnus.org> Reply-To: =?UTF-8?Q?Toke=20H=C3=83=C2=B8iland=2DJ=C3=83=C2=B8rgen?= =?UTF-8?Q?sen=20=3Ctoke=40toke=2Edk=3E?= Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="68281"; mail-complaints-to="usenet@blaine.gmane.org" Cc: 14779@debbugs.gnu.org To: Lars Ingebrigtsen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Oct 23 14:25:15 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1iNFhT-000HXo-8L for geb-bug-gnu-emacs@m.gmane.org; Wed, 23 Oct 2019 14:25:15 +0200 Original-Received: from localhost ([::1]:34646 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iNFhR-0000uV-Mf for geb-bug-gnu-emacs@m.gmane.org; Wed, 23 Oct 2019 08:25:13 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:34125) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iNFhJ-0000uI-KN for bug-gnu-emacs@gnu.org; Wed, 23 Oct 2019 08:25:06 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iNFhI-00084d-Kq for bug-gnu-emacs@gnu.org; Wed, 23 Oct 2019 08:25:05 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:52276) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1iNFhI-000849-7n for bug-gnu-emacs@gnu.org; Wed, 23 Oct 2019 08:25:04 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1iNFhG-0003w7-L2 for bug-gnu-emacs@gnu.org; Wed, 23 Oct 2019 08:25:03 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Toke =?UTF-8?Q?H=C3=B8iland-J=C3=B8rgensen?= Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 23 Oct 2019 12:25:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 14779 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: moreinfo Original-Received: via spool by 14779-submit@debbugs.gnu.org id=B14779.157183348915105 (code B ref 14779); Wed, 23 Oct 2019 12:25:02 +0000 Original-Received: (at 14779) by debbugs.gnu.org; 23 Oct 2019 12:24:49 +0000 Original-Received: from localhost ([127.0.0.1]:32864 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iNFh3-0003vZ-BY for submit@debbugs.gnu.org; Wed, 23 Oct 2019 08:24:49 -0400 Original-Received: from mail.toke.dk ([52.28.52.200]:60281) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iNFh1-0003vM-Dr for 14779@debbugs.gnu.org; Wed, 23 Oct 2019 08:24:48 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=toke.dk; s=20161023; t=1571833480; bh=uaPkLOiRRye3hyyA/6pOPf7yyX4nAhuU1D2IYJgsQXE=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=Mn042hXJ8MacsppRaV8YviBIf4ftNYm9PrCTtn0VnvbKFuv9YZxxqNK6KjPDWW3+6 aLkrjfuaUdIJIjTvkd1HIo8KYHJTUa2NBT0AufDRRnfEfz3FTXX/uXrrs48pKbHGuT g9Z76Zx9Cd8nCNQZqJaoHN1cu3ReDi8JywXNcMKf8TwHm66DWcmdEGMkYHsxGEfsHd bpJHXlY/LElvXeD3Y5rhg0SD3HYpkN62tVWxw53kUcVaDTISuMJsXc3rYF+3igIxjG SV47M7wmQuIWfAMHbbT9PmHja22K64Ovsw9C3mdb2i1HCt3+S9F1549P+y8+/0+2en M7zIHjn5rOmQw== In-Reply-To: <875zkfhera.fsf@gnus.org> X-Clacks-Overhead: GNU Terry Pratchett X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.51.188.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "bug-gnu-emacs" Original-From: =?UTF-8?Q?Toke=20H=C3=83=C2=B8iland=2DJ=C3=83=C2=B8rgen?= =?UTF-8?Q?sen=20via=20=22Bug=20reports=20?= =?UTF-8?Q?for=20GNU=20Emacs=2C?= =?UTF-8?Q?=20the=20Swiss=20army=20knife?= =?UTF-8?Q?=20of=20text=20editors=22=20=3Cbu?= =?UTF-8?Q?g=2Dgnu=2Demacs=40gnu=2Eorg=3E?= Xref: news.gmane.org gmane.emacs.bugs:170061 Archived-At: Lars Ingebrigtsen writes: > toke@toke.dk (Toke H=C3=B8iland-J=C3=B8rgensen) writes: > >> I'm using ERC to connect to IRC, and was wondering why the connection >> used IPv4 rather than IPv6 when the server has both addresses >> configured. Messing with the DNS resolver so the address only resolves >> to IPv6 made Emacs unable to connect at all. >> >> Investigating this further, it seems that by default >> make-network-process does not resolve IPv6 addresses at all unless >> specifically asked to do so. More precisely, patch open-network-stream >> to pass :family 0 (line 143 of network-stream.el) makes resolution work >> as expected (i.e. first IPv6, then v4 if no v6 address exists), but the >> default of leaving out the :family parameter (or setting it to nil) >> makes resolution IPv4-only, resulting in a 'Name or service not known' >> error when trying to connect. > > The code has changed substantially in the six years since this was > reported. Heh, indeed. > Are you still seeing these problems? No idea. I stopped using erc in the meantime; not that long ago, though, and don't think I had this problem when I most recently used it (the host I was connecting to still had only v6 addresses). So as far as I'm concerned, feel free to go ahead and close this :) -Toke