From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: Robert Pluim Newsgroups: gmane.emacs.bugs Subject: bug#40665: 28.0.50; tls hang on local ssl Date: Thu, 16 Apr 2020 18:22:48 +0200 Message-ID: References: <86wo6fo78r.fsf@mail.3qin.us> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="18961"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 40665@debbugs.gnu.org To: Derek Zhou Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Apr 16 18:23:22 2020 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1jP7IP-0004nl-RL for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 16 Apr 2020 18:23:21 +0200 Original-Received: from localhost ([::1]:36736 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jP7IO-0006Kq-SR for geb-bug-gnu-emacs@m.gmane-mx.org; 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Thu, 16 Apr 2020 09:22:51 -0700 (PDT) In-Reply-To: <86wo6fo78r.fsf@mail.3qin.us> (Derek Zhou's message of "Thu, 16 Apr 2020 14:06:30 +0000 (UTC)") 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-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:178456 Archived-At: >>>>> On Thu, 16 Apr 2020 14:06:30 +0000 (UTC), Derek Zhou said: Derek> I have a vps that have ssl cert from let's encrypt. If I run emacs on Derek> that machine and use eww to open the local url through proper DNS name, Derek> it hangs. This only happen with gnutls 3.6+ I believe. w3m works. w3m uses OpenSSL rather than GnuTLS, I think. Derek> recipe: Derek> emacs -q Derek> M-x eww Derek> https://u15789687.ct.sendgrid.net/ls/click?upn=5u6PACFCQRlPqbnHSU4z2cQ21VoDRd3GIiP45VZkVss-3DZL1J_BeaubjMha5v6Ct1PCBdNXS7c-2B4F-2FiYml2FeMaPqPFw6mlPCBFCAdA-2BJhSopciFrXarTStvJH7F2cC8M4I5-2BSIuHrtbPlXdAWJ2PCGsvuTDU6kkpVZ5JAYurFBfbu8uG6PzR-2BqkNWc1EoW8kPIdIY9NymfSyaiKNcH-2F4DHCP9GFBvbUhtpcMZmq3z0U-2FWPsThxiaP-2BlzG2O8BI46NDehudn-2FKUS7g-2FjrNI0N1zBKjqzV6MI7ge8846jUqXY-2FUQ3jE Derek> This only happens when running on mail.3qin.us itself; from across the Derek> network it is ok. I believe it is timing related and worsen by very Derek> short network latency and small files. Which version exactly of GnuTLS are you running? Is it possible for you to do a local install of a newer version and try that with emacs? Otherwise, maybe turning off TLS1.3 will help: (setq gnutls-algorithm-priority "NORMAL:-VERS-TLS1.3") Another thing to try is setting 'gnutls-log-level' to progressively higher values, to see if it resolves the timing issues. Robert