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rlogin(1)

NAME

     rlogin -- remote login

SYNOPSIS

     rlogin [-468DEd] [-e char] [-i localname] [-l username] host

DESCRIPTION

     The rlogin utility starts a terminal session on a remote host host.

     The rlogin utility first attempts to use the Kerberos authorization mech-
     anism, described below.  If the remote host does not support Kerberos the
     standard Berkeley rhosts authorization mechanism is used.

     The following options are available:

     -4    Use IPv4 addresses only.

     -6    Use IPv6 addresses only.

     -8    Allow an eight-bit input data path at all times; otherwise parity
	   bits are stripped except when the remote side's stop and start
	   characters are other than ^S/^Q.

     -D    Set the TCP_NODELAY socket option which can improve interactive
	   response at the expense of increased network load.

     -E    Stop any character from being recognized as an escape character.
	   When used with the -8 option, this provides a completely transpar-
	   ent connection.

     -d    Turn on socket debugging (see setsockopt(2)) on the TCP sockets
	   used for communication with the remote host.

     -e    Allow user specification of the escape character, which is ``~'' by
	   default.  This specification may be as a literal character, or as
	   an octal value in the form \nnn.

     -i    Allow the caller to specify a different local name to be used for
	   authentication.  This option is restricted to processes with uid 0.

     -l    Specify a different username for the remote login.  If this option
	   is not specified, your local username will be used.

     A line of the form ``<escape char>.'' disconnects from the remote host.
     Similarly, the line ``<escape char>^Z'' will suspend the rlogin session,
     and ``<escape char><delayed-suspend char>'' suspends the send portion of
     the rlogin session, but allows output from the remote system.  By
     default, the tilde (``~'') character is the escape character, and nor-
     mally control-Y (``^Y'') is the delayed-suspend character.

     All echoing takes place at the remote site, so that (except for delays)
     the rlogin is transparent.  Flow control via ^S/^Q and flushing of input
     and output on interrupts are handled properly.

KERBEROS AUTHENTICATION

     Each user may have a private authorization list in the file .klogin in
     their home directory.  Each line in this file should contain a Kerberos
     If Kerberos authentication fails, a warning message is printed and the
     standard Berkeley rlogin is used instead.

ENVIRONMENT

     The following environment variable is utilized by rlogin:

     TERM  Determines the user's terminal type.

SEE ALSO

     login(1), rsh(1), telnet(1), setsockopt(2), kerberos(3),
     krb_realmofhost(3), krb_sendauth(3), ruserok(3), tty(4), auth.conf(5),
     hosts(5), hosts.equiv(5), rlogind(8), rshd(8)

FILES

     /etc/hosts
     /etc/hosts.equiv
     /etc/auth.conf
     $HOME/.rhosts
     $HOME/.klogin

HISTORY

     The rlogin command appeared in 4.2BSD.

     IPv6 support was added by WIDE/KAME project.

BUGS

     The rlogin utility will be replaced by telnet(1) in the near future.

     More of the environment should be propagated.

FreeBSD 5.4		      September 26, 2003		   FreeBSD 5.4

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