File: inetutils.info,  Node: telnet invocation,  Next: tftp invocation,  Prev: talk invocation,  Up: Top

17 'telnet': User interface to TELNET
*************************************

Login to a remote system HOST, optionally using a (non-standard) service
port PORT.

Synopsis:

     telnet [OPTION...] [HOST [PORT]]

17.1 Command line options
=========================

'-4'
'--ipv4'
     Use only IPv4.

'-6'
'--ipv6'
     Use only IPv6.

'-8'
'--binary'
     Use an 8-bit data path.

'-a'
'--login'
     Attempt automatic login.

'-b ADDRESS'
'--bind=ADDRESS'
     Bind to specific local ADDRESS.

'-c'
'--no-rc'
     Do not read the user's file '$HOME/.telnetrc'.

'-d'
'--debug'
     Turn on socket level debugging.

'-e CHAR'
'--escape=CHAR'
     Use CHAR as escape character.

'-E'
'--no-escape'
     Do not use an escape character.

'-k REALM'
'--realm=REALM'
     Request Kerberos realm REALM instead of whatever is declared as
     default realm in the system's or user's settings.

'-K'
'--no-login'
     Do not automatically login to the remote system.

'-l USER'
'--user=USER'
     Attempt automatic login as USER.

'-L'
'--binary-output'
     Use an 8-bit data path for output only.

'-n FILE'
'--trace=FILE'
     Record trace information into FILE.

'-r'
'--rlogin'
     Display a user-interface similar to that of 'rlogin'.

'-x'
'--encrypt'
     If possible, encrypt the data stream.

'-X ATYPE'
'--disable-auth=ATYPE'
     Disable authentication of type ATYPE.  Use this option multiple
     times if more than one type is to be disabled.  Standard choices
     are 'null', 'kerberos_v4', and 'kerberos_v5'.