[BACK]Return to ssh.1 CVS log [TXT][DIR] Up to [local] / src / usr.bin / ssh

Diff for /src/usr.bin/ssh/ssh.1 between version 1.64.2.2 and 1.64.2.3

version 1.64.2.2, 2001/02/19 17:19:32 version 1.64.2.3, 2001/03/21 19:46:30
Line 10 
Line 10 
 .\" incompatible with the protocol description in the RFC file, it must be  .\" incompatible with the protocol description in the RFC file, it must be
 .\" called by a name other than "ssh" or "Secure Shell".  .\" called by a name other than "ssh" or "Secure Shell".
 .\"  .\"
 .\" Copyright (c) 1999,2000 Markus Friedl. All rights reserved.  .\" Copyright (c) 1999,2000 Markus Friedl.  All rights reserved.
 .\" Copyright (c) 1999 Aaron Campbell. All rights reserved.  .\" Copyright (c) 1999 Aaron Campbell.  All rights reserved.
 .\" Copyright (c) 1999 Theo de Raadt. All rights reserved.  .\" Copyright (c) 1999 Theo de Raadt.  All rights reserved.
 .\"  .\"
 .\" Redistribution and use in source and binary forms, with or without  .\" Redistribution and use in source and binary forms, with or without
 .\" modification, are permitted provided that the following conditions  .\" modification, are permitted provided that the following conditions
Line 40 
Line 40 
 .Os  .Os
 .Sh NAME  .Sh NAME
 .Nm ssh  .Nm ssh
 .Nd OpenSSH secure shell client (remote login program)  .Nd OpenSSH SSH client (remote login program)
 .Sh SYNOPSIS  .Sh SYNOPSIS
 .Nm ssh  .Nm ssh
 .Op Fl l Ar login_name  .Op Fl l Ar login_name
Line 76 
Line 76 
 .Op Ar command  .Op Ar command
 .Sh DESCRIPTION  .Sh DESCRIPTION
 .Nm  .Nm
 (Secure Shell) is a program for logging into a remote machine and for  (SSH client) is a program for logging into a remote machine and for
 executing commands on a remote machine.  executing commands on a remote machine.
 It is intended to replace  It is intended to replace
 rlogin and rsh, and provide secure encrypted communications between  rlogin and rsh, and provide secure encrypted communications between
Line 228 
Line 228 
 .Pp  .Pp
 Protocol 2 provides additional mechanisms for confidentiality  Protocol 2 provides additional mechanisms for confidentiality
 (the traffic is encrypted using 3DES, Blowfish, CAST128 or Arcfour)  (the traffic is encrypted using 3DES, Blowfish, CAST128 or Arcfour)
 and integrity (hmac-sha1, hmac-md5).  and integrity (hmac-md5, hmac-sha1).
 Note that protocol 1 lacks a strong mechanism for ensuring the  Note that protocol 1 lacks a strong mechanism for ensuring the
 integrity of the connection.  integrity of the connection.
 .Pp  .Pp
Line 274 
Line 274 
 will also make the session transparent even if a tty is used.  will also make the session transparent even if a tty is used.
 .Pp  .Pp
 The session terminates when the command or shell on the remote  The session terminates when the command or shell on the remote
 machine exists and all X11 and TCP/IP connections have been closed.  machine exits and all X11 and TCP/IP connections have been closed.
 The exit status of the remote program is returned as the exit status  The exit status of the remote program is returned as the exit status
 of  of
 .Nm ssh .  .Nm ssh .
Line 322 
Line 322 
 Forwarding of arbitrary TCP/IP connections over the secure channel can  Forwarding of arbitrary TCP/IP connections over the secure channel can
 be specified either on command line or in a configuration file.  be specified either on command line or in a configuration file.
 One possible application of TCP/IP forwarding is a secure connection to an  One possible application of TCP/IP forwarding is a secure connection to an
 electronic purse; another is going trough firewalls.  electronic purse; another is going through firewalls.
 .Pp  .Pp
 .Ss Server authentication  .Ss Server authentication
 .Pp  .Pp
Line 667 
Line 667 
 The default is  The default is
 .Pp  .Pp
 .Bd -literal  .Bd -literal
   ``3des-cbc,blowfish-cbc,cast128-cbc,arcfour,aes128-cbc,    ``aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour,
     aes192-cbc,aes256-cbc,rijndael128-cbc,rijndael192-cbc,      aes192-cbc,aes256-cbc,rijndael128-cbc,rijndael192-cbc,
     rijndael256-cbc,rijndael-cbc@lysator.liu.se''      rijndael256-cbc,rijndael-cbc@lysator.liu.se''
 .Ed  .Ed
Line 750 
Line 750 
 The default is  The default is
 .Dq no .  .Dq no .
 .It Cm GlobalKnownHostsFile  .It Cm GlobalKnownHostsFile
 Specifies a file to use instead of  Specifies a file to use for the protocol version 1 global
   host key database instead of
 .Pa /etc/ssh_known_hosts .  .Pa /etc/ssh_known_hosts .
   .It Cm GlobalKnownHostsFile2
   Specifies a file to use for the protocol version 2 global
   host key database instead of
   .Pa /etc/ssh_known_hosts2 .
 .It Cm HostKeyAlias  .It Cm HostKeyAlias
 Specifies an alias that should be used instead of the  Specifies an alias that should be used instead of the
 real host name when looking up or saving the host key  real host name when looking up or saving the host key
Line 831 
Line 836 
 The default is  The default is
 .Pp  .Pp
 .Bd -literal  .Bd -literal
   ``hmac-sha1,hmac-md5,hmac-ripemd160,hmac-ripemd160@openssh.com,    ``hmac-md5,hmac-sha1,hmac-ripemd160,hmac-ripemd160@openssh.com,
     hmac-sha1-96,hmac-md5-96''      hmac-sha1-96,hmac-md5-96''
 .Ed  .Ed
 .It Cm NumberOfPasswordPrompts  .It Cm NumberOfPasswordPrompts
Line 848 
Line 853 
 .It Cm Port  .It Cm Port
 Specifies the port number to connect on the remote host.  Specifies the port number to connect on the remote host.
 Default is 22.  Default is 22.
   .It Cm PreferredAuthentications
   Specifies the order in which the client should try protocol 2
   authentication methods. This allows a client to prefer one method (e.g.
   .Cm keyboard-interactive )
   over another method (e.g.
   .Cm password )
   The default for this option is:
   .Dq publickey, password, keyboard-interactive
 .It Cm Protocol  .It Cm Protocol
 Specifies the protocol versions  Specifies the protocol versions
 .Nm  .Nm
Line 985 
Line 998 
 or  or
 .Dq no .  .Dq no .
 The default is  The default is
 .Dq yes .  .Dq no .
 Note that setting this option to  Note that setting this option to
 .Dq no  .Dq no
 turns off  turns off
Line 999 
Line 1012 
 This saves the trouble of  This saves the trouble of
 having to remember to give the user name on the command line.  having to remember to give the user name on the command line.
 .It Cm UserKnownHostsFile  .It Cm UserKnownHostsFile
 Specifies a file to use instead of  Specifies a file to use for the protocol version 1 user
   host key database instead of
 .Pa $HOME/.ssh/known_hosts .  .Pa $HOME/.ssh/known_hosts .
   .It Cm UserKnownHostsFile2
   Specifies a file to use for the protocol version 2 user
   host key database instead of
   .Pa $HOME/.ssh/known_hosts2 .
 .It Cm UseRsh  .It Cm UseRsh
 Specifies that rlogin/rsh should be used for this host.  Specifies that rlogin/rsh should be used for this host.
 It is possible that the host does not at all support the  It is possible that the host does not at all support the
Line 1091 
Line 1109 
 to the environment.  to the environment.
 .Sh FILES  .Sh FILES
 .Bl -tag -width Ds  .Bl -tag -width Ds
 .It Pa $HOME/.ssh/known_hosts  .It Pa $HOME/.ssh/known_hosts, $HOME/.ssh/known_hosts2
 Records host keys for all hosts the user has logged into (that are not  Records host keys for all hosts the user has logged into (that are not
 in  in
 .Pa /etc/ssh_known_hosts ) .  .Pa /etc/ssh_known_hosts
   for protocol version 1 or
   .Pa /etc/ssh_known_hosts2
   for protocol version 2).
 See  See
 .Xr sshd 8 .  .Xr sshd 8 .
 .It Pa $HOME/.ssh/identity, $HOME/.ssh/id_dsa  .It Pa $HOME/.ssh/identity, $HOME/.ssh/id_dsa
Line 1196 
Line 1217 
 Each line of the file contains a host name (in the canonical form  Each line of the file contains a host name (in the canonical form
 returned by name servers), and then a user name on that host,  returned by name servers), and then a user name on that host,
 separated by a space.  separated by a space.
 One some machines this file may need to be  On some machines this file may need to be
 world-readable if the user's home directory is on a NFS partition,  world-readable if the user's home directory is on a NFS partition,
 because  because
 .Xr sshd 8  .Xr sshd 8
Line 1268 
Line 1289 
 Contains additional definitions for environment variables, see section  Contains additional definitions for environment variables, see section
 .Sx ENVIRONMENT  .Sx ENVIRONMENT
 above.  above.
 .It Pa libcrypto.so.X.1  
 A version of this library which includes support for the RSA algorithm  
 is required for proper operation.  
 .El  .El
 .Sh AUTHORS  .Sh AUTHORS
 OpenSSH is a derivative of the original and free  OpenSSH is a derivative of the original and free
Legend:
Removed from v.1.64.2.2  
changed lines
  Added in v.1.64.2.3