telnetd.1m (2011 09)

telnetd(1M) telnetd(1M)

By default, the telnet server provides remote execution facilities with authentication based on Ker-

beros V5. See the sis (5) manpage.

DIAGNOSTICS

If any error is encountered by

telnetd in establishing the connection, an error message is returned

through the connection, after which the connection is closed and the server exits. Any errors generated

by the login process or its descendents are passed through as ordinary data.

The following diagnostic messages are displayed by

telnetd:

unable to allocate Telnet device

The server was unable to obtain a Telnet pseudo-terminal for use with the login process.

Either all Telnet pseudo-terminals were in use or the

telm driver has not been properly set up

(see tels (7)).

Next step : Check the Telnet pseudo driver conﬁguration of the host where

telnetd is execut-

ing.

fork: No more processes

telnetd was unable to fork a process to handle the incoming connection.

Next step : Wait a period of time and try again. If this message persists, the server’s host may

have runaway processes that are using all the entries in the process table.

/usr/bin/login: ...

The login program could not be started via

exec*() for the reason indicated (see exec (2)).

WARNINGS

The terminal type name received from the remote client is converted to lowercase.

telnetd never sends TELNET go ahead commands.

AUTHOR

telnetd was developed by the University of California, Berkeley.