https://bugzilla.mindrot.org/show_bug.cgi?id=3615
--- Comment #12 from Richard Kreutzer <[email protected]> --- OK, for the sake of simplicity, I have tested with rsa only... Here is basement-gentoo:/etc/ssh/ssh_host_rsa_key.pub basement-gentoo.krautclan.com ssh-rsa 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 root@basement-gentoo Here is gemini:/etc/ssh/ssh_known_hosts basement-gentoo.krautclan.com ssh-rsa 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 root@basement-gentoo Running this on basement-gentoo: ssh -p 1023 -o PreferredAuthentications=hostbased gemini pwd And this on gemini: /usr/sbin/sshd -dddep 1023 I get this from the server debug output: debug3: fd 4 is not O_NONBLOCK debug1: Server will not fork when running in debugging mode. debug3: send_rexec_state: entering fd = 7 config len 3337 debug3: ssh_msg_send: type 0 debug3: send_rexec_state: done debug1: rexec start in 4 out 4 newsock 4 pipe -1 sock 7 debug3: recv_rexec_state: entering fd = 5 debug3: ssh_msg_recv entering debug3: recv_rexec_state: done debug2: parse_server_config_depth: config rexec len 3337 debug3: rexec:15 setting AddressFamily inet debug3: rexec:19 setting HostKey /etc/ssh/ssh_host_rsa_key debug3: rexec:20 setting HostKey /etc/ssh/ssh_host_dsa_key debug3: rexec:21 setting HostKey /etc/ssh/ssh_host_ecdsa_key debug3: rexec:22 setting HostKey /etc/ssh/ssh_host_ed25519_key debug3: rexec:34 setting PermitRootLogin yes debug3: rexec:53 setting HostbasedAuthentication yes debug3: rexec:54 setting HostbasedUsesNameFromPacketOnly yes debug3: rexec:58 setting IgnoreRhosts no debug3: rexec:66 setting ChallengeResponseAuthentication no debug3: rexec:87 setting UsePAM yes debug3: rexec:92 setting X11Forwarding yes debug3: rexec:93 setting X11DisplayOffset 10 debug3: rexec:94 setting X11UseLocalhost yes debug3: rexec:96 setting PrintMotd no debug3: rexec:97 setting PrintLastLog no debug3: rexec:114 setting Subsystem sftp /usr/lib64/misc/sftp-server debug3: rexec:124 setting AcceptEnv LANG LC_* debug3: rexec:126 setting UseDNS yes debug1: sshd version OpenSSH_9.4, OpenSSL 3.1.2 1 Aug 2023 debug1: private host key #0: ssh-rsa SHA256:RBjUkH7i6jeYKf3M6UdiArktuWuxFQxkbbd3RNkYmTc debug1: private host key #1: ssh-dss SHA256:QCavFBV4tIu+5+hai4IGqFZIF1hxkCTsagLiE05LlkQ debug1: private host key #2: ecdsa-sha2-nistp256 SHA256:kJT1D+9lFXkt7xG/8Ix1eHQx0SYVqyU5K+euSHHX+vE debug1: private host key #3: ssh-ed25519 SHA256:sHM5dcf+1bWQpNjiA5x+kkhWpMO5EdMIfh7TqeTHcY8 debug1: inetd sockets after dupping: 3, 3 debug3: process_channel_timeouts: setting 0 timeouts debug3: channel_clear_timeouts: clearing Connection from 192.168.1.17 port 46500 on 192.168.1.101 port 1023 rdomain "" debug1: Local version string SSH-2.0-OpenSSH_9.4 debug1: Remote protocol version 2.0, remote software version OpenSSH_9.4 debug1: compat_banner: match: OpenSSH_9.4 pat OpenSSH* compat 0x04000000 debug2: fd 3 setting O_NONBLOCK debug3: ssh_sandbox_init: preparing seccomp filter sandbox debug2: Network child is on pid 18370 debug3: preauth child monitor started debug3: privsep user:group 22:22 [preauth] debug1: permanently_set_uid: 22/22 [preauth] debug3: ssh_sandbox_child: setting PR_SET_NO_NEW_PRIVS [preauth] debug3: ssh_sandbox_child: attaching seccomp filter program [preauth] debug3: append_hostkey_type: ssh-rsa key not permitted by HostkeyAlgorithms [preauth] debug3: append_hostkey_type: ssh-dss key not permitted by HostkeyAlgorithms [preauth] debug1: list_hostkey_types: rsa-sha2-512,rsa-sha2-256,ecdsa-sha2-nistp256,ssh-ed25519 [preauth] debug3: send packet: type 20 [preauth] debug1: SSH2_MSG_KEXINIT sent [preauth] debug3: receive packet: type 20 [preauth] debug1: SSH2_MSG_KEXINIT received [preauth] debug2: local server KEXINIT proposal [preauth] debug2: KEX algorithms: [email protected],curve25519-sha256,[email protected],ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group14-sha256 [preauth] debug2: host key algorithms: rsa-sha2-512,rsa-sha2-256,ecdsa-sha2-nistp256,ssh-ed25519 [preauth] debug2: ciphers ctos: [email protected],aes128-ctr,aes192-ctr,aes256-ctr,[email protected],[email protected] [preauth] debug2: ciphers stoc: [email protected],aes128-ctr,aes192-ctr,aes256-ctr,[email protected],[email protected] [preauth] debug2: MACs ctos: [email protected],[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],hmac-sha2-256,hmac-sha2-512,hmac-sha1 [preauth] debug2: MACs stoc: [email protected],[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],hmac-sha2-256,hmac-sha2-512,hmac-sha1 [preauth] debug2: compression ctos: none,[email protected] [preauth] debug2: compression stoc: none,[email protected] [preauth] debug2: languages ctos: [preauth] debug2: languages stoc: [preauth] debug2: first_kex_follows 0 [preauth] debug2: reserved 0 [preauth] debug2: peer client KEXINIT proposal [preauth] debug2: KEX algorithms: [email protected],curve25519-sha256,[email protected],ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group14-sha256,ext-info-c [preauth] debug2: host key algorithms: [email protected],[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],ssh-ed25519,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,[email protected],[email protected],rsa-sha2-512,rsa-sha2-256 [preauth] debug2: ciphers ctos: [email protected],aes128-ctr,aes192-ctr,aes256-ctr,[email protected],[email protected] [preauth] debug2: ciphers stoc: [email protected],aes128-ctr,aes192-ctr,aes256-ctr,[email protected],[email protected] [preauth] debug2: MACs ctos: [email protected],[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],hmac-sha2-256,hmac-sha2-512,hmac-sha1 [preauth] debug2: MACs stoc: [email protected],[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],hmac-sha2-256,hmac-sha2-512,hmac-sha1 [preauth] debug2: compression ctos: none,[email protected],zlib [preauth] debug2: compression stoc: none,[email protected],zlib [preauth] debug2: languages ctos: [preauth] debug2: languages stoc: [preauth] debug2: first_kex_follows 0 [preauth] debug2: reserved 0 [preauth] debug1: kex: algorithm: [email protected] [preauth] debug1: kex: host key algorithm: ssh-ed25519 [preauth] debug1: kex: client->server cipher: [email protected] MAC: <implicit> compression: none [preauth] debug1: kex: server->client cipher: [email protected] MAC: <implicit> compression: none [preauth] debug1: expecting SSH2_MSG_KEX_ECDH_INIT [preauth] debug3: receive packet: type 30 [preauth] debug1: SSH2_MSG_KEX_ECDH_INIT received [preauth] debug3: mm_sshkey_sign: entering [preauth] debug3: mm_request_send: entering, type 6 [preauth] debug3: mm_sshkey_sign: waiting for MONITOR_ANS_SIGN [preauth] debug3: mm_request_receive_expect: entering, type 7 [preauth] debug3: mm_request_receive: entering [preauth] debug3: mm_request_receive: entering debug3: monitor_read: checking request 6 debug3: mm_answer_sign: entering debug3: mm_answer_sign: ssh-ed25519 KEX signature len=83 debug3: mm_request_send: entering, type 7 debug2: monitor_read: 6 used once, disabling now debug3: send packet: type 31 [preauth] debug3: send packet: type 21 [preauth] debug2: ssh_set_newkeys: mode 1 [preauth] debug1: rekey out after 134217728 blocks [preauth] debug1: SSH2_MSG_NEWKEYS sent [preauth] debug1: Sending SSH2_MSG_EXT_INFO [preauth] debug3: send packet: type 7 [preauth] debug1: expecting SSH2_MSG_NEWKEYS [preauth] debug3: receive packet: type 21 [preauth] debug1: SSH2_MSG_NEWKEYS received [preauth] debug2: ssh_set_newkeys: mode 0 [preauth] debug1: rekey in after 134217728 blocks [preauth] debug1: KEX done [preauth] debug3: receive packet: type 5 [preauth] debug3: send packet: type 6 [preauth] debug3: receive packet: type 50 [preauth] debug1: userauth-request for user rwk service ssh-connection method none [preauth] debug1: attempt 0 failures 0 [preauth] debug3: mm_getpwnamallow: entering [preauth] debug3: mm_request_send: entering, type 8 [preauth] debug3: mm_getpwnamallow: waiting for MONITOR_ANS_PWNAM [preauth] debug3: mm_request_receive_expect: entering, type 9 [preauth] debug3: mm_request_receive: entering [preauth] debug3: mm_request_receive: entering debug3: monitor_read: checking request 8 debug3: mm_answer_pwnamallow: entering debug3: Trying to reverse map address 192.168.1.17. debug2: parse_server_config_depth: config reprocess config len 3337 debug3: mm_answer_pwnamallow: sending MONITOR_ANS_PWNAM: 1 debug3: mm_request_send: entering, type 9 debug2: monitor_read: 8 used once, disabling now debug3: process_channel_timeouts: setting 0 timeouts [preauth] debug3: channel_clear_timeouts: clearing [preauth] debug2: input_userauth_request: setting up authctxt for rwk [preauth] debug3: mm_start_pam entering [preauth] debug3: mm_request_send: entering, type 100 [preauth] debug3: mm_inform_authserv: entering [preauth] debug3: mm_request_send: entering, type 4 [preauth] debug2: input_userauth_request: try method none [preauth] debug3: user_specific_delay: user specific delay 0.000ms [preauth] debug3: ensure_minimum_time_since: elapsed 6.643ms, delaying 0.551ms (requested 7.194ms) [preauth] debug3: mm_request_receive: entering debug3: monitor_read: checking request 100 debug1: PAM: initializing for "rwk" debug1: PAM: setting PAM_RHOST to "basement-gentoo.krautclan.com" debug1: PAM: setting PAM_TTY to "ssh" debug2: monitor_read: 100 used once, disabling now debug3: userauth_finish: failure partial=0 next methods="publickey,password,hostbased" [preauth] debug3: send packet: type 51 [preauth] Connection closed by authenticating user rwk 192.168.1.17 port 46500 [preauth] debug1: do_cleanup [preauth] debug3: PAM: sshpam_thread_cleanup entering [preauth] debug1: monitor_read_log: child log fd closed debug3: mm_request_receive: entering debug3: monitor_read: checking request 4 debug3: mm_answer_authserv: service=ssh-connection, style= debug2: monitor_read: 4 used once, disabling now debug3: mm_request_receive: entering debug1: do_cleanup debug1: PAM: cleanup debug3: PAM: sshpam_thread_cleanup entering debug1: Killing privsep child 18370 And basement-gentoo just says: rwk@basement-gentoo /etc/ssh $ ssh -p 1023 -o PreferredAuthentications=hostbased gemini pwd rwk@gemini: Permission denied (publickey,password,hostbased). NOTE this line in the server debug output above: debug3: append_hostkey_type: ssh-rsa key not permitted by HostkeyAlgorithms [preauth] -- You are receiving this mail because: You are watching the assignee of the bug. You are watching someone on the CC list of the bug. _______________________________________________ openssh-bugs mailing list [email protected] https://lists.mindrot.org/mailman/listinfo/openssh-bugs
