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RLOGIN(1) OpenBSD Reference Manual RLOGIN(1)
rlogin - remote login
rlogin [-8EKLdx] [-e char] [-k realm] [-l username] host
rlogin starts a terminal session on a remote host host.
rlogin first attempts to use the Kerberos authorization mechanism, de-
scribed below. If the remote host does not support Kerberos the standard
Berkeley rhosts authorization mechanism is used. The options are as fol-
-8 The -8 option allows 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 .
-E The -E option stops any character from being recognized as an es-
cape character. When used with the -8 option, this provides a com-
pletely transparent connection.
-K The -K option turns off all Kerberos authentication.
-L The -L option allows the rlogin session to be run in ``litout''
(see tty(4)) mode.
-d The -d option turns on socket debugging (see setsockopt(2)) on the
TCP sockets used for communication with the remote host.
The -e option allows 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.
The -k option requests rlogin to obtain tickets for the remote host
in realm realm instead of the remote host's realm as determined by
-x The -x option turns on DES encryption for all data passed via the
rlogin session. This may impact response time and CPU utilization,
but provides increased security.
The -l option specifies 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, but allows output from the remote system. By default, the
tilde (``~'') character is the escape character, and normally 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.
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
principal name of the form principal.instance@realm. If the originating
user is authenticated to one of the principals named in .klogin, access
is granted to the account. The principal accountname.@localrealm is
granted access if there is no .klogin file. Otherwise a login and pass-
word will be prompted for on the remote machine as in login(1). To avoid
certain security problems, the .klogin file must be owned by the remote
If Kerberos authentication fails, a warning message is printed and the
standard Berkeley rlogin is used instead.
The following environment variable is utilized by rlogin:
TERM Determines the user's terminal type.
rsh(1), kerberos(3), krb_realmofhost(3), krb_sendauth(3)
The rlogin command appeared in 4.2BSD.
rlogin will be replaced by telnet(1) in the near future.
More of the environment should be propagated.
OpenBSD 2.6 June 6, 1993 2
Source: OpenBSD 2.6 man pages. Copyright: Portions are copyrighted by BERKELEY
SOFTWARE DESIGN, INC., The Regents of the University of California, Massachusetts
Institute of Technology, Free Software Foundation, FreeBSD Inc., and others.
(Corrections, notes, and links courtesy of RocketAware.com)
FreeBSD Sources for rlogin(1)
OpenBSD sources for rlogin(1)
Up to: Remote Process Creation and Control - Methods of starting and controlling processes remotely. (telnet, login, rexec, et al.)
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