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Diff for /src/usr.bin/ssh/ssh-agent.1 between version 1.12 and 1.12.2.3

version 1.12, 2000/05/03 18:04:39 version 1.12.2.3, 2001/03/12 15:44:15
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 .\" $OpenBSD$  .\" $OpenBSD$
 .\"  .\"
 .\"  -*- nroff -*-  
 .\"  
 .\" ssh-agent.1  
 .\"  
 .\" Author: Tatu Ylonen <ylo@cs.hut.fi>  .\" Author: Tatu Ylonen <ylo@cs.hut.fi>
 .\"  
 .\" Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland  .\" Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
 .\"                    All rights reserved  .\"                    All rights reserved
 .\"  .\"
 .\" Created: Sat Apr 23 20:10:43 1995 ylo  .\" As far as I am concerned, the code I have written for this software
   .\" can be used freely for any purpose.  Any derived versions of this
   .\" software must be clearly marked as such, and if the derived work is
   .\" incompatible with the protocol description in the RFC file, it must be
   .\" called by a name other than "ssh" or "Secure Shell".
 .\"  .\"
   .\" Copyright (c) 1999,2000 Markus Friedl. All rights reserved.
   .\" Copyright (c) 1999 Aaron Campbell. All rights reserved.
   .\" Copyright (c) 1999 Theo de Raadt. All rights reserved.
   .\"
   .\" Redistribution and use in source and binary forms, with or without
   .\" modification, are permitted provided that the following conditions
   .\" are met:
   .\" 1. Redistributions of source code must retain the above copyright
   .\"    notice, this list of conditions and the following disclaimer.
   .\" 2. Redistributions in binary form must reproduce the above copyright
   .\"    notice, this list of conditions and the following disclaimer in the
   .\"    documentation and/or other materials provided with the distribution.
   .\"
   .\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   .\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   .\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   .\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   .\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   .\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   .\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   .\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   .\"
 .Dd September 25, 1999  .Dd September 25, 1999
 .Dt SSH-AGENT 1  .Dt SSH-AGENT 1
 .Os  .Os
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 .Nd authentication agent  .Nd authentication agent
 .Sh SYNOPSIS  .Sh SYNOPSIS
 .Nm ssh-agent  .Nm ssh-agent
 .Op Fl c Li | Fl s  
 .Op Fl k  
 .Oo  
 .Ar command  .Ar command
 .Op Ar args ...  .Ar args ...
 .Oc  .Nm ssh-agent
   .Op Fl c Li | Fl s
   .Nm ssh-agent
   .Fl k
 .Sh DESCRIPTION  .Sh DESCRIPTION
 .Nm  .Nm
 is a program to hold private keys used for RSA authentication.  is a program to hold private keys used for public key authentication
   (RSA, DSA).
 The idea is that  The idea is that
 .Nm  .Nm
 is started in the beginning of an X-session or a login session, and  is started in the beginning of an X-session or a login session, and
 all other windows or programs are started as clients to the ssh-agent  all other windows or programs are started as clients to the ssh-agent
 program.  program.
 Through use of environment variables the agent can be located  Through use of environment variables the agent can be located
 and automatically used for RSA authentication when logging in to other  and automatically used for authentication when logging in to other
 machines using  machines using
 .Xr ssh 1 .  .Xr ssh 1 .
 .Pp  .Pp
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 but is normally added to the agent using  but is normally added to the agent using
 .Xr ssh-add 1  .Xr ssh-add 1
 at login time.  at login time.
 .It Pa /tmp/ssh-XXXX/agent.<pid> ,  .It Pa $HOME/.ssh/id_dsa
   Contains the DSA authentication identity of the user.
   .It Pa /tmp/ssh-XXXXXXXX/agent.<pid>
 Unix-domain sockets used to contain the connection to the  Unix-domain sockets used to contain the connection to the
 authentication agent.  authentication agent.
 These sockets should only be readable by the owner.  These sockets should only be readable by the owner.
 The sockets should get automatically removed when the agent exits.  The sockets should get automatically removed when the agent exits.
 .Sh AUTHOR  
 Tatu Ylonen <ylo@cs.hut.fi>  
 .Pp  
 OpenSSH  
 is a derivative of the original (free) ssh 1.2.12 release, but with bugs  
 removed and newer features re-added.  
 Rapidly after the 1.2.12 release,  
 newer versions bore successively more restrictive licenses.  
 This version of OpenSSH  
 .Bl -bullet  
 .It  
 has all components of a restrictive nature (i.e., patents, see  
 .Xr ssl 8 )  
 directly removed from the source code; any licensed or patented components  
 are chosen from  
 external libraries.  
 .It  
 has been updated to support ssh protocol 1.5.  
 .It  
 contains added support for  
 .Xr kerberos 8  
 authentication and ticket passing.  
 .It  
 supports one-time password authentication with  
 .Xr skey 1 .  
 .El  .El
 .Pp  .Sh AUTHORS
 The libraries described in  OpenSSH is a derivative of the original and free
 .Xr ssl 8  ssh 1.2.12 release by Tatu Ylonen.
 are required for proper operation.  Aaron Campbell, Bob Beck, Markus Friedl, Niels Provos,
   Theo de Raadt and Dug Song
   removed many bugs, re-added newer features and
   created OpenSSH.
   Markus Friedl contributed the support for SSH
   protocol versions 1.5 and 2.0.
 .Sh SEE ALSO  .Sh SEE ALSO
 .Xr ssh 1 ,  .Xr ssh 1 ,
 .Xr ssh-add 1 ,  .Xr ssh-add 1 ,
 .Xr ssh-keygen 1 ,  .Xr ssh-keygen 1 ,
 .Xr sshd 8 ,  .Xr sshd 8
 .Xr ssl 8  
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