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SSH Key Certificates
Hello,
I'm using SSH keys in combination with certificates. The certificates are the result of a signing process by a ca certificate.
Normally the ssh-agent adds them automatically if they are ...
ssh -d from a CentOS7-system:
debug1: sshd version OpenSSH_7.4, OpenSSL 1.0.2k-fips 26 Jan 2017
debug1: private host key #0: ssh-rsa SHA256:E2Z+0Q54ppdUjWDbepZ7BoHDdoyZ2jt1JVWXlGSXE4o
debug1: private host key #1: ecdsa-sha2-nistp256 SHA256:f1EeoqcSK2I55McM/nHddnSnkYzJjMwZ29mEsoxflb8
debug1: private host key #2: ssh-ed25519 SHA256:aeiz4bhAS1fsewpgQ5rdgIvHa7Hs8vW/CiUU+unbKWM
debug1: rexec_argv[0]='/usr/sbin/sshd'
debug1: rexec_argv[1]='-p'
debug1: rexec_argv[2]='2222'
debug1: rexec_argv[3]='-d'
debug1: Set /proc/self/oom_score_adj from 0 to -1000
debug1: Bind to port 2222 on 0.0.0.0.
Server listening on 0.0.0.0 port 2222.
debug1: Bind to port 2222 on ::.
Server listening on :: port 2222.
debug1: Server will not fork when running in debugging mode.
debug1: rexec start in 5 out 5 newsock 5 pipe -1 sock 8
debug1: inetd sockets after dupping: 3, 3
Connection from xxx.xxx.xxx.xxx port 9131 on 84.23.253.134 port 2222
debug1: Client protocol version 2.0; client software version OpenSSH_8.6
debug1: match: OpenSSH_8.6 pat OpenSSH* compat 0x04000000
debug1: Local version string SSH-2.0-OpenSSH_7.4
debug1: Enabling compatibility mode for protocol 2.0
debug1: SELinux support disabled [preauth]
debug1: permanently_set_uid: 74/74 [preauth]
debug1: list_hostkey_types: ssh-rsa,rsa-sha2-512,rsa-sha2-256,ecdsa-sha2-nistp256,ssh-ed25519 [preauth]
debug1: SSH2_MSG_KEXINIT sent [preauth]
debug1: SSH2_MSG_KEXINIT received [preauth]
debug1: kex: algorithm: curve25519-sha256 [preauth]
debug1: kex: host key algorithm: ssh-ed25519 [preauth]
debug1: kex: client->server cipher: mailto:chacha20-poly1305@openssh.com MAC:
debug1: kex: server->client cipher: mailto:chacha20-poly1305@openssh.com MAC:
debug1: kex: curve25519-sha256 need=64 dh_need=64 [preauth]
debug1: kex: curve25519-sha256 need=64 dh_need=64 [preauth]
debug1: expecting SSH2_MSG_KEX_ECDH_INIT [preauth]
debug1: rekey after 134217728 blocks [preauth]
debug1: SSH2_MSG_NEWKEYS sent [preauth]
debug1: expecting SSH2_MSG_NEWKEYS [preauth]
debug1: SSH2_MSG_NEWKEYS received [preauth]
debug1: rekey after 134217728 blocks [preauth]
debug1: KEX done [preauth]
debug1: userauth-request for user snafu service ssh-connection method none [preauth]
debug1: attempt 0 failures 0 [preauth]
debug1: user snafu matched 'User snafu' at line 27
debug1: PAM: initializing for "snafu"
debug1: PAM: setting PAM_RHOST to "access.snafu.de"
debug1: PAM: setting PAM_TTY to "ssh"
debug1: userauth-request for user snafu service ssh-connection method publickey [preauth]
debug1: attempt 1 failures 0 [preauth]
debug1: userauth_pubkey: test whether pkalg/pkblob are acceptable for RSA-CERT SHA256:jzuBd+ulgpxou9emJu1RRvIn9bf6plMl0E4mhQLHZvU [preauth]
debug1: temporarily_use_uid: 1006/1006 (e=0/0)
debug1: trying authorized principals file /etc/ssh/principals/snafu
debug1: fd 4 clearing O_NONBLOCK
debug1: restore_uid: 0/0
Accepted certificate ID "user_First_Last" (serial 0) signed by RSA CA SHA256:dbPkt/BpG+pUiXeMeO387oREZt1WLHrOePiArCNautE via /etc/ssh/user-ca-keys.pub
Postponed publickey for snafu from xxx.xxx.xxx.xxx port 9131 ssh2 [preauth]
debug1: userauth-request for user snafu service ssh-connection method publickey [preauth]
debug1: attempt 2 failures 0 [preauth]
debug1: userauth_pubkey: test whether pkalg/pkblob are acceptable for RSA SHA256:jzuBd+ulgpxou9emJu1RRvIn9bf6plMl0E4mhQLHZvU [preauth]
Failed publickey for snafu from xxx.xxx.xxx.xxx port 9131 ssh2: RSA SHA256:jzuBd+ulgpxou9emJu1RRvIn9bf6plMl0E4mhQLHZvU
Connection closed by xxx.xxx.xxx.xxx port 9131 [preauth]
debug1: do_cleanup [preauth]
debug1: monitor_read_log: child log fd closed
debug1: do_cleanup
debug1: PAM: cleanup
debug1: Killing privsep child 11978
