This chapter describes messages with the LOGIN prefix. They are generated by the login process (login), which performs authentication for Telnet sessions.
Client aborted login
A login attempt was cancelled, either by the remote user or in response to a signal.
Event: This message reports an event, not an error
info
Login failed for user username from host hostname
A login attempt failed for the indicated username.
Event: This message reports an event, not an error
notice
Failed to set context for user username
The login process (login) could not set login context properties for the indicated user and cancelled the authentication attempt.
Error: An error occurred
error
Failed to set login ID for user username: error-message
The login process (login) could not assume the user ID of the indicated user and cancelled the authentication attempt.
Error: An error occurred
error
Unable to resolve hostname hostname: error-message
The login process (login) could not resolve the indicated remote hostname for the indicated reason.
Error: An error occurred
error
An internal software failure occurred.
User username logged in from host hostname on device tty-name
The indicated username was authenticated and logged into the shell specified for it in the password file.
Event: This message reports an event, not an error
info
Requested local password from user username
The PAM authentication attempt failed for the indicated user, who was prompted for the password recorded in the local password file.
Event: This message reports an event, not an error
info
Invalid username: username
The indicated username was invalid.
Event: This message reports an event, not an error
info
PAM authentication error for user username
The login process (login) could not authenticate the indicated user via PAM.
Event: This message reports an event, not an error
error
Failure while authenticating user username: error-message
The PAM authentication process failed for the indicated username, for the indicated reason.
Error: An error occurred
error
Too many retries while authenticating user username
The number of failed PAM authentication attempts for the indicated user exceeded the maximum limit.
Error: An error occurred
error
Failed to end PAM session: error-message
The login process (login) could not end the PAM authentication session, for the indicated reason.
Error: An error occurred
error
Attempt to authenticate unknown user username
The login process (login) failed to authenticate the indicated user via PAM because the username was unknown.
Event: This message reports an event, not an error
error
Forcing change of expired password for user username
The password provided for the indicated username was expired and the user was prompted to set a new one.
Event: This message reports an event, not an error
info
Login of user username from host hostname on device tty-name was refused: reason
A login attempt for the indicated username was rejected for the indicated reason.
Event: This message reports an event, not an error
notice
User username logged in as root from host hostname on device tty-name
The indicated username was authenticated as a superuser and logged into the shell specified for the root user in the password file.
Event: This message reports an event, not an error
info
Login attempt timed out after duration seconds
A login attempt failed to complete in the maximum time allowed.
Event: This message reports an event, not an error
info