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# sshd grok pattern
# Start/Stop
SSHD_LISTEN Server listening on %{IP:sshd_listen_ip} port %{NUMBER:sshd_listen_port}.
SSHD_TERMINATE Received signal %{NUMBER:sshd_signal}; terminating.
# SSH Tunnel
SSHD_TUNN_ERR1 error: connect_to %{IP:sshd_listen_ip} port %{NUMBER:sshd_listen_port}: failed.
SSHD_TUNN_ERR2 error: channel_setup_fwd_listener: cannot listen to port: %{NUMBER:sshd_listen_port}
SSHD_TUNN_ERR3 error: bind: Address already in use
SSHD_TUNN_ERR4 error: channel_setup_fwd_listener_tcpip: cannot listen to port: %{NUMBER:sshd_listen_port}
SSHD_TUNN_TIMEOUT Timeout, client not responding.
# Normal
SSHD_SUCCESS Accepted %{WORD:sshd_auth_type} for %{USERNAME:sshd_user} from %{IP:sshd_client_ip} port %{NUMBER:sshd_port} %{WORD:sshd_protocol}: %{GREEDYDATA:sshd_cipher}
SSHD_DISCONNECT Received disconnect from %{IP:sshd_client_ip} port %{NUMBER:sshd_port}:%{NUMBER:sshd_disconnect_code}: %{GREEDYDATA:sshd_disconnect_status}
SSHD_CONN_CLOSE Connection closed by %{IP:sshd_client_ip}$
SSHD_SESSION_OPEN pam_unix\(sshd:session\): session opened for user %{USERNAME:sshd_user} by \(uid=\d+\)
SSHD_SESSION_CLOSE pam_unix\(sshd:session\): session closed for user %{USERNAME:sshd_user}
SSHD_SESSION_FAIL pam_systemd\(sshd:session\): Failed to release session: %{GREEDYDATA:sshd_disconnect_status}
SSHD_LOGOUT_ERR syslogin_perform_logout: logout\(\) returned an error
# Probe
SSHD_REFUSE_CONN refused connect from %{DATA:sshd_client_hostname} \(%{IPORHOST:sshd_client_ip}\)
SSHD_TCPWRAP_FAIL1 warning: %{DATA:sshd_tcpd_file}, line %{NUMBER}: can't verify hostname: getaddrinfo\(%{DATA:sshd_paranoid_hostname}, %{DATA:sshd_sa_family}\) failed
SSHD_TCPWRAP_FAIL2 warning: %{DATA:sshd_tcpd_file}, line %{NUMBER}: host name/address mismatch: %{IPORHOST:sshd_client_ip} != %{HOSTNAME:sshd_paranoid_hostname}
SSHD_TCPWRAP_FAIL3 warning: %{DATA:sshd_tcpd_file}, line %{NUMBER}: host name/name mismatch: %{HOSTNAME:sshd_paranoid_hostname_1} != %{HOSTNAME:sshd_paranoid_hostname_2}
SSHD_TCPWRAP_FAIL4 warning: %{DATA:sshd_tcpd_file}, line %{NUMBER}: host name/name mismatch: reverse lookup results in non-FQDN %{HOSTNAME:sshd_paranoid_hostname}
SSHD_TCPWRAP_FAIL5 warning: can't get client address: Connection reset by peer
SSHD_FAIL Failed %{WORD:sshd_auth_type} for %{USERNAME:sshd_invalid_user} from %{IP:sshd_client_ip} port %{NUMBER:sshd_port} %{WORD:sshd_protocol}
SSHD_USER_FAIL Failed password for invalid user %{USERNAME:sshd_invalid_user} from %{IP:sshd_client_ip} port %{NUMBER:sshd_port} %{WORD:sshd_protocol}
SSHD_INVAL_USER Invalid user\s*%{USERNAME:sshd_invalid_user}? from %{IP:sshd_client_ip}
# preauth
SSHD_DISC_PREAUTH Disconnected from %{IP:sshd_client_ip} port %{NUMBER:sshd_port}\s*(?:\[%{GREEDYDATA:sshd_privsep}\]|)
SSHD_MAXE_PREAUTH error: maximum authentication attempts exceeded for (?:invalid user |)%{USERNAME:sshd_invalid_user} from %{IP:sshd_client_ip} port %{NUMBER:sshd_port} %{WORD:sshd_protocol}\s*(?:\[%{GREEDYDATA:sshd_privsep}\]|)
SSHD_DISR_PREAUTH Disconnecting: %{GREEDYDATA:sshd_disconnect_status} \[%{GREEDYDATA:sshd_privsep}\]
SSHD_INVA_PREAUTH input_userauth_request: invalid user %{USERNAME:sshd_invalid_user}?\s*(?:\[%{GREEDYDATA:sshd_privsep}\]|)
SSHD_REST_PREAUTH Connection reset by %{IP:sshd_client_ip} port %{NUMBER:sshd_port}\s*(?:\[%{GREEDYDATA:sshd_privsep}\]|)
SSHD_CLOS_PREAUTH Connection closed by %{IP:sshd_client_ip} port %{NUMBER:sshd_port}\s*(?:\[%{GREEDYDATA:sshd_privsep}\]|)
SSHD_FAIL_PREAUTH fatal: Unable to negotiate with %{IP:sshd_client_ip} port %{NUMBER:sshd_port}:\s*%{GREEDYDATA:sshd_disconnect_status}? \[%{GREEDYDATA:sshd_privsep}\]
SSHD_FAI2_PREAUTH fatal: %{GREEDYDATA:sshd_fatal_status}: Connection from %{IP:sshd_client_ip} port %{NUMBER:sshd_port}:\s*%{GREEDYDATA:sshd_disconnect_status}? \[%{GREEDYDATA:sshd_privsep}\]
SSHD_BADL_PREAUTH Bad packet length %{NUMBER:sshd_packet_length}. \[%{GREEDYDATA:sshd_privsep}\]
# Corrupted
SSHD_IDENT_FAIL Did not receive identification string from %{IP:sshd_client_ip}
SSHD_MAPB_FAIL Address %{IP:sshd_client_ip} maps to %{HOSTNAME:sshd_client_hostname}, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!
SSHD_RMAP_FAIL reverse mapping checking getaddrinfo for %{HOSTNAME:sshd_client_hostname} \[%{IP:sshd_client_ip}\] failed - POSSIBLE BREAK-IN ATTEMPT!
SSHD_TOOMANY_AUTH Disconnecting: Too many authentication failures for %{USERNAME:sshd_invalid_user}
SSHD_CORRUPT_MAC Corrupted MAC on input
SSHD_PACKET_CORRUPT Disconnecting: Packet corrupt
SSHD_BAD_VERSION Bad protocol version identification '%{GREEDYDATA}' from %{IP:sshd_client_ip}
####
SSHD_INIT %{SSHD_LISTEN}|%{SSHD_TERMINATE}
SSHD_TUNN %{SSHD_TUNN_ERR1}|%{SSHD_TUNN_ERR2}|%{SSHD_TUNN_ERR3}|%{SSHD_TUNN_ERR4}|%{SSHD_TUNN_TIMEOUT}
SSHD_NORMAL_LOG %{SSHD_SUCCESS}|%{SSHD_DISCONNECT}|%{SSHD_CONN_CLOSE}|%{SSHD_SESSION_OPEN}|%{SSHD_SESSION_CLOSE}|%{SSHD_SESSION_FAIL}|%{SSHD_LOGOUT_ERR}
SSHD_PROBE_LOG %{SSHD_REFUSE_CONN}|%{SSHD_TCPWRAP_FAIL1}|%{SSHD_TCPWRAP_FAIL2}|%{SSHD_TCPWRAP_FAIL3}|%{SSHD_TCPWRAP_FAIL4}|%{SSHD_TCPWRAP_FAIL5}|%{SSHD_FAIL}|%{SSHD_USER_FAIL}|%{SSHD_INVAL_USER}
SSHD_PREAUTH %{SSHD_DISC_PREAUTH}|%{SSHD_MAXE_PREAUTH}|%{SSHD_DISR_PREAUTH}|%{SSHD_INVA_PREAUTH}|%{SSHD_REST_PREAUTH}|%{SSHD_FAIL_PREAUTH}|%{SSHD_CLOS_PREAUTH}|%{SSHD_FAI2_PREAUTH}|%{SSHD_BADL_PREAUTH}
SSHD_CORRUPTED %{SSHD_IDENT_FAIL}|%{SSHD_MAPB_FAIL}|%{SSHD_RMAP_FAIL}|%{SSHD_TOOMANY_AUTH}|%{SSHD_CORRUPT_MAC}|%{SSHD_PACKET_CORRUPT}|%{SSHD_BAD_VERSION}
SSHD_LOG %{SSHD_INIT}|%{SSHD_NORMAL_LOG}|%{SSHD_PROBE_LOG}|%{SSHD_CORRUPTED}|%{SSHD_TUNN}|%{SSHD_PREAUTH}
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