From owner-freebsd-questions@FreeBSD.ORG Mon Feb 2 23:50:36 2015 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 88319C71 for ; Mon, 2 Feb 2015 23:50:36 +0000 (UTC) Received: from outbound-queue-2.mail.thdo.gradwell.net (outbound-queue-2.mail.thdo.gradwell.net [212.11.70.35]) by mx1.freebsd.org (Postfix) with ESMTP id 187098B0 for ; Mon, 2 Feb 2015 23:50:35 +0000 (UTC) Received: from outbound-edge-2.mail.thdo.gradwell.net (bonnie.gradwell.net [212.11.70.2]) by outbound-queue-2.mail.thdo.gradwell.net (Postfix) with ESMTP id C916F23949 for ; Mon, 2 Feb 2015 23:49:48 +0000 (GMT) Received: from cpc7-jarr12-2-0-cust882.16-2.cable.virginm.net (HELO amd.asgard.uk) (92.238.71.115) (smtp-auth username dave%pop3.dgmm.net, mechanism plain) by outbound-edge-2.mail.thdo.gradwell.net (qpsmtpd/0.83) with ESMTPA; Mon, 02 Feb 2015 23:49:48 +0000 From: Dave To: freebsd-questions@freebsd.org Subject: Passwordless ssh, keys not authenticating, asks for password Date: Mon, 02 Feb 2015 23:47:23 +0000 Message-ID: <2158037.0CyDn4nRuB@amd.asgard.uk> User-Agent: KMail/4.14.2 (FreeBSD/9.3-RELEASE-p9; KDE/4.14.2; amd64; ; ) MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" X-Gradwell-MongoId: 54d00d1c.1340f-28e2-2 X-Gradwell-Auth-Method: mailbox X-Gradwell-Auth-Credentials: dave@pop3.dgmm.net X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 02 Feb 2015 23:50:36 -0000 Hi, I'm trying to set up passwordless ssh login I have it working on all but one client, with no obvious reason why it's not working on this one box. Box1 (ubuntu) uname -a Linux ubuntu 3.2.0-75-generic #110-Ubuntu SMP Tue Dec 16 19:11:28 UTC 2014 i686 i686 i386 GNU/Linux Box2 (testbox - working) uname -a FreeBSD testbox.asgard.uk 9.3-RELEASE-p9 FreeBSD 9.3-RELEASE-p9 #0: Tue Jan 27 10:43:40 UTC 2015 root@amd64- builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC amd64 Box3 (amd - not working) uname -a FreeBSD amd.asgard.uk 9.3-RELEASE-p9 FreeBSD 9.3-RELEASE-p9 #0: Tue Jan 27 10:43:40 UTC 2015 root@amd64- builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC amd64 On Box1 I did ssh-keygen (default answers, no pass phrase) ssh-copy-id dave@testbox ssh-copy-id dave@amd ssh-add Boxes 2 and 3 have identical and default /etc/ssh/ssh_config and the following are identical. ~/.ssh is chmod 700 -rw------- 1 dave dave 797 2 Feb 22:10 authorized_keys -rw-r--r-- 1 dave dave 165 6 Jan 23:27 known_host ssh dave@testbox (Box2 works fine) ssh dave@amd (Box3 fails and asks for the password) Results of ssh -v dave@amd (Box3) OpenSSH_5.9p1 Debian-5ubuntu1.4, OpenSSL 1.0.1 14 Mar 2012 debug1: Reading configuration data /etc/ssh/ssh_config debug1: /etc/ssh/ssh_config line 19: Applying options for * debug1: Connecting to amd [192.168.1.3] port 22. debug1: Connection established. debug1: identity file /home/dave/.ssh/id_rsa type 1 debug1: Checking blacklist file /usr/share/ssh/blacklist.RSA-2048 debug1: Checking blacklist file /etc/ssh/blacklist.RSA-2048 debug1: identity file /home/dave/.ssh/id_rsa-cert type -1 debug1: identity file /home/dave/.ssh/id_dsa type -1 debug1: identity file /home/dave/.ssh/id_dsa-cert type -1 debug1: identity file /home/dave/.ssh/id_ecdsa type -1 debug1: identity file /home/dave/.ssh/id_ecdsa-cert type -1 debug1: Remote protocol version 2.0, remote software version OpenSSH_6.6.1_hpn13v11 FreeBSD-20140420 debug1: match: OpenSSH_6.6.1_hpn13v11 FreeBSD-20140420 pat OpenSSH* debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_5.9p1 Debian-5ubuntu1.4 debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug1: kex: server->client aes128-ctr hmac-md5 none debug1: kex: client->server aes128-ctr hmac-md5 none debug1: sending SSH2_MSG_KEX_ECDH_INIT debug1: expecting SSH2_MSG_KEX_ECDH_REPLY debug1: Server host key: ECDSA xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx debug1: Host 'amd' is known and matches the ECDSA host key. debug1: Found key in /home/dave/.ssh/known_hosts:1 debug1: ssh_ecdsa_verify: signature correct debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug1: SSH2_MSG_NEWKEYS received debug1: Roaming not allowed by server debug1: SSH2_MSG_SERVICE_REQUEST sent debug1: SSH2_MSG_SERVICE_ACCEPT received debug1: Authentications that can continue: publickey,keyboard-interactive debug1: Next authentication method: publickey debug1: Offering RSA public key: /home/dave/.ssh/id_rsa debug1: Authentications that can continue: publickey,keyboard-interactive debug1: Offering RSA public key: dave@ubuntu debug1: Authentications that can continue: publickey,keyboard-interactive debug1: Trying private key: /home/dave/.ssh/id_dsa debug1: Trying private key: /home/dave/.ssh/id_ecdsa debug1: Next authentication method: keyboard-interactive Password for dave@amd.asgard.uk: Box3 (amd,the problembox) pkg info | grep ssh libssh-0.6.3_1 Library implementing the SSH1 and SSH2 protocol linux-c6-libssh2-1.4.2_1 Library implementing the SSH2 protocol (Linux CentOS 6.6 Box (testbox,a working box) pkg info | grep ssh libssh-0.6.3_1 Library implementing the SSH1 and SSH2 protocol To eliminate the potential difference, pkg info | grep ssh shows no results on a 9.2 box where passwordless ssh works. I also successfully tested with a RaspBMC box. I can only assume there is something different somewhere on Box3 (amd) that I've changed and forgotten about. Is there anything else you need to know to help me?