** Attachment added: "sshd in debug3 mode" http://launchpadlibrarian.net/25548018/sshd-debug.txt
** Description changed: Spent all night to understand why public key ssh auth doesn't work. It - seems to me that it only affects only Jaunty. Please have a look at the + seems to me that issue only affects Jaunty. Please have a look at the details below. So, the configuration is: 1. Client - lsb_release: Ubuntu 8.10 intrepid - ssh-client: OpenSSH_5.1p1 Debian-3ubuntu1, OpenSSL 0.9.8g 19 Oct 2007 2. Server A - lsb_release: Ubuntu 8.04.2 hardy - sshd: OpenSSH_4.7p1 Debian-8ubuntu1.2, OpenSSL 0.9.8g 19 Oct 2007 3. Server B - lsb_release: Ubuntu 9.04 jaunty - sshd: OpenSSH_5.1p1 Debian-5ubuntu1, OpenSSL 0.9.8g 19 Oct 2007 Server A and Server B have the same /etc/ssh/sshd_config: RSAAuthentication yes PubkeyAuthentication yes StrictModes no I turned StrictModes to "no", but every server has the same permissions on user's .ssh folder and .ssh/authorized_keys file. authorized_keys is the same on Server A and Server B.\ So, I am able to connect with public key from Client machine to Server A, but I can't connect to Server B. I run ssh client and sshd on Server B in debug mode, please find them attached. Most important strings from auth.log: ... Apr 16 20:58:47 ubuntu sshd[21728]: debug3: mm_request_receive entering Apr 16 20:58:47 ubuntu sshd[21728]: debug3: monitor_read: checking request 21 Apr 16 20:58:47 ubuntu sshd[21728]: debug3: mm_answer_keyallowed entering Apr 16 20:58:47 ubuntu sshd[21728]: debug3: mm_answer_keyallowed: key_from_blob: 0xb9084978 Apr 16 20:58:47 ubuntu sshd[21728]: debug1: Checking blacklist file /usr/share/ssh/blacklist.DSA-1024 Apr 16 20:58:47 ubuntu sshd[21728]: debug1: Checking blacklist file /etc/ssh/blacklist.DSA-1024 Apr 16 20:58:47 ubuntu sshd[21728]: debug1: temporarily_use_uid: 1000/1000 (e=0/0) Apr 16 20:58:47 ubuntu sshd[21728]: debug1: trying public key file /home/sasha/.ssh/authorized_keys Apr 16 20:58:47 ubuntu sshd[21728]: debug1: restore_uid: 0/0 Apr 16 20:58:47 ubuntu sshd[21728]: debug1: temporarily_use_uid: 1000/1000 (e=0/0) Apr 16 20:58:47 ubuntu sshd[21728]: debug1: trying public key file /home/sasha/.ssh/authorized_keys2 Apr 16 20:58:47 ubuntu sshd[21728]: debug1: restore_uid: 0/0 Apr 16 20:58:47 ubuntu sshd[21728]: Failed publickey for sasha from 10.0.0.11 port 51194 ssh2 Apr 16 20:58:47 ubuntu sshd[21728]: debug3: mm_answer_keyallowed: key 0xb9084978 is not allowed ... ** Tags added: jaunty key public ssh ** Description changed: Spent all night to understand why public key ssh auth doesn't work. It seems to me that issue only affects Jaunty. Please have a look at the details below. So, the configuration is: 1. Client - lsb_release: Ubuntu 8.10 intrepid - ssh-client: OpenSSH_5.1p1 Debian-3ubuntu1, OpenSSL 0.9.8g 19 Oct 2007 2. Server A - lsb_release: Ubuntu 8.04.2 hardy - sshd: OpenSSH_4.7p1 Debian-8ubuntu1.2, OpenSSL 0.9.8g 19 Oct 2007 3. Server B - lsb_release: Ubuntu 9.04 jaunty - sshd: OpenSSH_5.1p1 Debian-5ubuntu1, OpenSSL 0.9.8g 19 Oct 2007 Server A and Server B have the same /etc/ssh/sshd_config: RSAAuthentication yes PubkeyAuthentication yes StrictModes no I turned StrictModes to "no", but every server has the same permissions on user's .ssh folder and .ssh/authorized_keys file. authorized_keys is - the same on Server A and Server B.\ + the same on Server A and Server B. So, I am able to connect with public key from Client machine to Server A, but I can't connect to Server B. - I run ssh client and sshd on Server B in debug mode, please find them + I run ssh client and sshd on Server B in debug mode, please find logs attached. Most important strings from auth.log: ... Apr 16 20:58:47 ubuntu sshd[21728]: debug3: mm_request_receive entering Apr 16 20:58:47 ubuntu sshd[21728]: debug3: monitor_read: checking request 21 Apr 16 20:58:47 ubuntu sshd[21728]: debug3: mm_answer_keyallowed entering Apr 16 20:58:47 ubuntu sshd[21728]: debug3: mm_answer_keyallowed: key_from_blob: 0xb9084978 Apr 16 20:58:47 ubuntu sshd[21728]: debug1: Checking blacklist file /usr/share/ssh/blacklist.DSA-1024 Apr 16 20:58:47 ubuntu sshd[21728]: debug1: Checking blacklist file /etc/ssh/blacklist.DSA-1024 Apr 16 20:58:47 ubuntu sshd[21728]: debug1: temporarily_use_uid: 1000/1000 (e=0/0) Apr 16 20:58:47 ubuntu sshd[21728]: debug1: trying public key file /home/sasha/.ssh/authorized_keys Apr 16 20:58:47 ubuntu sshd[21728]: debug1: restore_uid: 0/0 Apr 16 20:58:47 ubuntu sshd[21728]: debug1: temporarily_use_uid: 1000/1000 (e=0/0) Apr 16 20:58:47 ubuntu sshd[21728]: debug1: trying public key file /home/sasha/.ssh/authorized_keys2 Apr 16 20:58:47 ubuntu sshd[21728]: debug1: restore_uid: 0/0 Apr 16 20:58:47 ubuntu sshd[21728]: Failed publickey for sasha from 10.0.0.11 port 51194 ssh2 Apr 16 20:58:47 ubuntu sshd[21728]: debug3: mm_answer_keyallowed: key 0xb9084978 is not allowed ... ** Tags added: issue -- Public key ssh auth doesn't work in Jauny https://bugs.launchpad.net/bugs/362427 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
