X-Recipient: archive-cygwin AT delorie DOT com X-Original-To: cygwin AT cygwin DOT com Delivered-To: cygwin AT cygwin DOT com DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org A6E10385840C Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=dinwoodie.org Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=dinwoodie.org Date: Mon, 17 Jan 2022 20:36:52 +0000 From: Adam Dinwoodie To: cygwin AT cygwin DOT com Subject: Re: [cygwin] openssh connection sharing fails: "mux_client_request_session: read from master failed: Connection reset by peer" Message-ID: <20220117203652.mqlo74ea5pyn2up6@lucy.dinwoodie.org> References: <20220117162931 DOT jexrpvsyawnsdi7y AT lucy DOT dinwoodie DOT org> <032801d80bc2$8c6f3950$a54dabf0$@pdinc.us> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <032801d80bc2$8c6f3950$a54dabf0$@pdinc.us> X-Spam-Status: No, score=-0.9 required=5.0 tests=BAYES_00, KAM_DMARC_STATUS, PDS_RDNS_DYNAMIC_FP, RDNS_DYNAMIC, SPF_HELO_PASS, SPF_PASS autolearn=no autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: cygwin AT cygwin DOT com X-Mailman-Version: 2.1.29 Precedence: list List-Id: General Cygwin discussions and problem reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: cygwin-bounces+archive-cygwin=delorie DOT com AT cygwin DOT com Sender: "Cygwin" On Mon, Jan 17, 2022 at 11:52:01AM -0500, Jason Pyeron wrote: > > -----Original Message----- > > From: Adam Dinwoodie > > Sent: Monday, January 17, 2022 11:30 AM > > > > The SSH connection sharing function in Cygwin's openssh release, using > > `ssh -M` or the ssh_config.5 ControlMaster configuration, doesn't appear > > to work. Setting up a master connection seems fine, but subsequent SSH > > Sadly, it is a known issue. > > https://stackoverflow.com/questions/20959792/is-ssh-controlmaster-with-cygwin-on-windows-actually-possible/21439862#21439862 Ah, I had found a bunch of discussions on sites like Stack Overflow, but I don't like to assume that problems discussed there are necessarily known to the relevant Cygwin folk unless I've found them discussed on the Cygin mailing lists. In this case, it clearly has been, but I didn't expect to have to search as far back as 2015 to find those discussions! -- Problem reports: https://cygwin.com/problems.html FAQ: https://cygwin.com/faq/ Documentation: https://cygwin.com/docs.html Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple