X-Recipient: archive-cygwin AT delorie DOT com DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:from:reply-to:to:subject:date:message-id :content-type:content-transfer-encoding:mime-version; q=dns; s= default; b=dEGZK1Ey75ZCFrr8l+esrd0SEdwWXNe8p91piQdlEmh7hGw1HixZi 4cGcZpv5RxUUlGGewdqzttsJl4MmjunKthwNz6n8mtqnoxH6KAmfb9mmRnspRlSf qoozcvVATRJq3MIsaAVeKvESQ+boTWDDQ3ONT5gGPksFq9ETmcBT8I= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:from:reply-to:to:subject:date:message-id :content-type:content-transfer-encoding:mime-version; s=default; bh=sjai4TfzHLrZB3pem9IVj7bmREU=; b=vQeQ41pRv7BkaNCf/F9xjPQzTddu zEQFzZF6XKbdbB7l6awLHOAOQa18rSWKSCvJqQ8BEEopScr0VycNnQL202Ie+4Vd zmvJMS/73RTlZAf9PTgNCZ3TFKsDhGYfp5fHG99hwKgQeCSKGcVrX+ZZLSQCNz0y 5MLm0+uAQGT9+c8= Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm List-Id: <cygwin.cygwin.com> List-Subscribe: <mailto:cygwin-subscribe AT cygwin DOT com> List-Archive: <http://sourceware.org/ml/cygwin/> List-Post: <mailto:cygwin AT cygwin DOT com> List-Help: <mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs> Sender: cygwin-owner AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com Delivered-To: mailing list cygwin AT cygwin DOT com Authentication-Results: sourceware.org; auth=none X-Spam-SWARE-Status: No, score=-2.9 required=5.0 tests=AWL,BAYES_00,KAM_NUMSUBJECT,RCVD_IN_DNSWL_LOW autolearn=ham version=3.3.1 spammy=interactive, DISPLAY, channel, authentication X-HELO: mx0a-0020c901.pphosted.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=hbo.com; h=from : to : subject : date : message-id : content-type : content-transfer-encoding : mime-version; s=proofpoint; bh=MWyJx/1Tu3pKy+0dwazJpgLv9T7dH+N9tREbacsQutI=; b=K6AaRXHtmp+wi7kIy1+pmwkhlF5tICS7PqTZqWHAhIXwVYwR9XM0HVklkw+mruYVa5xH VnbR5REq37R79lPutoNJ8nZSnWv27tbGwthbOwvRk8qH06E6m4PgpAERFKyZd+QaMJze Pcn6I0tg3rPZcBXozcA1zukHnRkx73tHU29kMN3dEGBRSzhV/+fOsrKxbSNa3R1GszL7 cGrwY/PpUBLlQrFAt7HF7bfQavoW0WVk1vLEPVXyl+DjiCOKx5PVUCWx/pB6r5fsZAxP 1RNVq5ueqcSAl9BNU/GmwFWaClvyIMWmCbdlQvVF3UwTxTEuBF/pQcaVq8QTDd7Csv0X Vw== ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=dH8rWD0a/T+kIUuq/3O9sygku3e8HDc2mR1AiqZes+f33yDVQYXsbvcrXS/po7eb0EldVWyEwJCJ3NDourBCHkYz0aG24lTbDscn6p+ppINsPqmiDLwN3TZoKbIpvysieGboM9YifbkYGHE3FwwN1qKhjk+0hquksJmZNePtHaHe1RBDtrtUHxBBxmztnSZTS0cknnuVxY8gSX8RXAFE3UjBr9IRv4WMSqZHN9DW1qIVmoKTKr3aBzMcL/pk2bbL+/CnV41vR/GOuVNEeapGGdT6oCwJXbhfCD90UHgoP13hWPuieEIuq0yDe9sv3rjwPhTFVlq66u9SfJ/63vjEIw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=MWyJx/1Tu3pKy+0dwazJpgLv9T7dH+N9tREbacsQutI=; b=D/AxnlVJTW59727A71JUgBN4pAX2LAdiEdHs9tH3yC7L9PnUQfFcHkHSJHBiv7elqtyh5R66BejLmI31QOUkKqEBbqYelnCCvrMl1yc4SbgXfyQUN9DVFm3LyLW4s677mFO7XBjguzYRXy8JTqa+Lxt01FJ4Mx1xcuGbmGHEKVkc/wJ3WlPLBlfajmOBtIXpL3gL1kI7rz9BPa91NukwcczcKoQnn4whnpAzLo86zPcY4wocazob6zlZrSbhPaTsPYwwMFtHfGdyITtXpCdrVg7u3Qm5EwaMdlXm6rMsL3/BoZcpCt4bzzyxslESIVDVR9FgzSuNiXu4uoDhemI+bg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=hbo.com; dmarc=pass action=none header.from=hbo.com; dkim=pass header.d=hbo.com; arc=none From: "Haanraadts, Mark (HBO) via cygwin" <cygwin AT cygwin DOT com> Reply-To: "Haanraadts, Mark (HBO)" <Mark DOT Haanraadts AT hbo DOT com> To: "cygwin AT cygwin DOT com" <cygwin AT cygwin DOT com> Subject: X11 forwarding request failed on channel 0 Date: Thu, 12 Sep 2019 13:37:13 +0000 Message-ID: <BYAPR08MB44066E5A1751402C84C0ED4CFCB00@BYAPR08MB4406.namprd08.prod.outlook.com> x-twx: true x-ms-oob-tlc-oobclassifiers: OLM:7219; received-spf: None (protection.outlook.com: hbo.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-ms-exchange-transport-forked: True Content-Type: text/plain; charset="iso-8859-1" MIME-Version: 1.0 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: pRIIyFbouQyuCN5t33SpiSA7t7fgK6OEtw2mb28pnfSuJfkj3nHkLCiZDrcRoGo0GegUmWehLEIGsbqAA2/pIw== X-IsSubscribed: yes Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by delorie.com id x8CDbwkI013984 I have a problem with remote ssh sessions to corporate Red Hat 6 servers and X11 forwarding. Xclock works perfectly fine on my local CYGWIn install. On a remote server I get: $ xclock Error: Can't open display: Here's the debug shell logfile: debug2: we sent a password packet, wait for reply debug1: Authentication succeeded (password). Authenticated to <host>. debug1: channel 0: new [client-session] debug2: channel 0: send open debug1: Requesting mailto:no-more-sessions AT openssh DOT com debug1: Entering interactive session. debug1: pledge: exec debug2: channel_input_open_confirmation: channel 0: callback start debug2: x11_get_proto: /usr/bin/xauth� list :0.0 2>/dev/null debug1: Requesting X11 forwarding with authentication spoofing. debug2: channel 0: request x11-req confirm 1 debug2: fd 3 setting TCP_NODELAY debug2: client_session2_setup: id 0 debug2: channel 0: request pty-req confirm 1 debug2: channel 0: request shell confirm 1 debug2: channel_input_open_confirmation: channel 0: callback done debug2: channel 0: open confirm rwindow 0 rmax 32768 debug2: channel_input_status_confirm: type 100 id 0 X11 forwarding request failed on channel 0 debug2: channel_input_status_confirm: type 99 id 0 debug2: PTY allocation request accepted on channel 0 debug2: channel 0: rcvd adjust 2097152 debug2: channel_input_status_confirm: type 99 id 0 debug2: shell request accepted on channel 0 Last login: Wed Sep 11 17:01:50 2019 from 10.218.16.112 Did a lot of Googling and I already changed this in /etc/ssh/sshd_config X11Forwarding yes AddressFamily inet X11UseLocalhost no Here's how I'm starting X-Windows startxwin & sleep 10 export DISPLAY=:0.0 xhost + xterm -sb -sl 5000 -geometry 168x17+380+0 -T "XTERM 1" & xterm -sb -sl 5000 -geometry 168x17+380+315 -T "XTERM 2" & xterm -sb -sl 5000 -geometry 168x16+380+600 -T "XTERM 3" & -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple