159 lines
4.4 KiB
Groff
159 lines
4.4 KiB
Groff
.\" Copyright (c) 1983, 1990, 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)rlogin.1 8.1 (Berkeley) 6/6/93
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.\" $FreeBSD$
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.\"
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.Dd September 26, 2003
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.Dt RLOGIN 1
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.Os
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.Sh NAME
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.Nm rlogin
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.Nd remote login
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.Sh SYNOPSIS
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.Ar rlogin
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.Op Fl 468DEd
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.Op Fl e Ar char
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.Op Fl i Ar localname
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.Op Fl l Ar username
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.Ar host
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.Sh DESCRIPTION
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The
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.Nm
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utility starts a terminal session on a remote host
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.Ar host .
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.Pp
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The standard Berkeley
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.Pa rhosts
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authorization mechanism is used.
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.Pp
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The following options are available:
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.Bl -tag -width flag
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.It Fl 4
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Use IPv4 addresses only.
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.It Fl 6
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Use IPv6 addresses only.
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.It Fl 8
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Allow an eight-bit input data path at all times; otherwise
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parity bits are stripped except when the remote side's stop and start
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characters are other than
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^S/^Q.
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.It Fl D
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Set the TCP_NODELAY socket option which can improve interactive response
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at the expense of increased network load.
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.It Fl E
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Stop any character from being recognized as an escape character.
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When used with the
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.Fl 8
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option, this provides a completely transparent connection.
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.It Fl d
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Turn on socket debugging (see
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.Xr setsockopt 2 )
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on the TCP sockets used for communication with the remote host.
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.It Fl e
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Allow user specification of the escape character, which is
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.Dq ~
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by default.
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This specification may be as a literal character, or as an octal
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value in the form \ennn.
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.It Fl i
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Allow the caller to specify a different local name to be used
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for authentication.
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This option is restricted to processes with uid 0.
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.It Fl l
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Specify a different
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.Ar username
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for the remote login.
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If this option is not specified, your local username will be used.
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.El
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.Pp
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A line of the form
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.Dq Ao escape char Ac Ns \&.
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disconnects from the remote host.
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Similarly, the line
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.Dq Ao escape char Ac Ns ^Z
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will suspend the
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.Nm
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session, and
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.Dq Ao escape\ char Ac Ns Ao delayed-suspend\ char Ac
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suspends the
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send portion of the
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.Nm
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session, but allows output from the remote system.
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By default, the tilde
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.Pq Dq ~
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character is the escape character, and
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normally control-Y
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.Pq Dq ^Y
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is the delayed-suspend character.
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.Pp
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All echoing takes place at the remote site, so that (except for delays)
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the
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.Nm
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is transparent.
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Flow control via ^S/^Q and flushing of input and output on interrupts
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are handled properly.
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.Sh ENVIRONMENT
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The following environment variable is utilized by
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.Nm :
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.Bl -tag -width TERM
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.It Ev TERM
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Determines the user's terminal type.
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.El
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.Sh FILES
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.Bl -tag -width /etc/hosts -compact
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.It Pa /etc/hosts
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.It Pa /etc/hosts.equiv
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.It Ev $HOME Ns Pa /.rhosts
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.El
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.Sh SEE ALSO
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.Xr login 1 ,
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.Xr rsh 1 ,
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.Xr telnet 1 ,
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.Xr setsockopt 2 ,
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.Xr ruserok 3 ,
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.Xr tty 4 ,
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.Xr hosts 5 ,
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.Xr hosts.equiv 5 ,
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.Xr rlogind 8 ,
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.Xr rshd 8
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.Sh HISTORY
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The
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.Nm
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command appeared in
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.Bx 4.2 .
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.Pp
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IPv6 support was added by WIDE/KAME project.
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.Sh BUGS
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The
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.Nm
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utility will be replaced by
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.Xr telnet 1
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in the near future.
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.Pp
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More of the environment should be propagated.
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