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Diff for /src/usr.bin/ssh/ssh_config.5 between version 1.1.4.3 and 1.2

version 1.1.4.3, 2003/04/03 22:35:18 version 1.2, 2002/08/17 23:55:01
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 client for interoperability with legacy protocol 1 implementations  client for interoperability with legacy protocol 1 implementations
 that do not support the  that do not support the
 .Ar 3des  .Ar 3des
 cipher.  cipher.  Its use is strongly discouraged due to cryptographic
 Its use is strongly discouraged due to cryptographic weaknesses.  weaknesses.
 The default is  The default is
 .Dq 3des .  .Dq 3des .
 .It Cm Ciphers  .It Cm Ciphers
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 .It Cm ClearAllForwardings  .It Cm ClearAllForwardings
 Specifies that all local, remote and dynamic port forwardings  Specifies that all local, remote and dynamic port forwardings
 specified in the configuration files or on the command line be  specified in the configuration files or on the command line be
 cleared.  cleared.  This option is primarily useful when used from the
 This option is primarily useful when used from the  
 .Nm ssh  .Nm ssh
 command line to clear port forwardings set in  command line to clear port forwardings set in
 configuration files, and is automatically set by  configuration files, and is automatically set by
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 Specifies that a TCP/IP port on the local machine be forwarded  Specifies that a TCP/IP port on the local machine be forwarded
 over the secure channel, and the application  over the secure channel, and the application
 protocol is then used to determine where to connect to from the  protocol is then used to determine where to connect to from the
 remote machine.  remote machine.  The argument must be a port number.
 The argument must be a port number.  
 Currently the SOCKS4 protocol is supported, and  Currently the SOCKS4 protocol is supported, and
 .Nm ssh  .Nm ssh
 will act as a SOCKS4 server.  will act as a SOCKS4 server.
 Multiple forwardings may be specified, and  Multiple forwardings may be specified, and
 additional forwardings can be given on the command line.  additional forwardings can be given on the command line.  Only
 Only the superuser can forward privileged ports.  the superuser can forward privileged ports.
 .It Cm EscapeChar  .It Cm EscapeChar
 Sets the escape character (default:  Sets the escape character (default:
 .Ql ~ ) .  .Ql ~ ) .
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 .Dq no .  .Dq no .
 The default is  The default is
 .Dq no .  .Dq no .
 .Pp  
 Agent forwarding should be enabled with caution.  
 Users with the ability to bypass file permissions on the remote host  
 (for the agent's Unix-domain socket)  
 can access the local agent through the forwarded connection.  
 An attacker cannot obtain key material from the agent,  
 however they can perform operations on the keys that enable them to  
 authenticate using the identities loaded into the agent.  
 .It Cm ForwardX11  .It Cm ForwardX11
 Specifies whether X11 connections will be automatically redirected  Specifies whether X11 connections will be automatically redirected
 over the secure channel and  over the secure channel and
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 .Dq no .  .Dq no .
 The default is  The default is
 .Dq no .  .Dq no .
 .Pp  
 X11 forwarding should be enabled with caution.  
 Users with the ability to bypass file permissions on the remote host  
 (for the user's X authorization database)  
 can access the local X11 display through the forwarded connection.  
 An attacker may then be able to perform activities such as keystroke monitoring.  
 .It Cm GatewayPorts  .It Cm GatewayPorts
 Specifies whether remote hosts are allowed to connect to local  Specifies whether remote hosts are allowed to connect to local
 forwarded ports.  forwarded ports.
 By default,  By default,
 .Nm ssh  .Nm ssh
 binds local port forwardings to the loopback address.  binds local port forwardings to the loopback address.  This
 This prevents other remote hosts from connecting to forwarded ports.  prevents other remote hosts from connecting to forwarded ports.
 .Cm GatewayPorts  .Cm GatewayPorts
 can be used to specify that  can be used to specify that
 .Nm ssh  .Nm ssh
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 .Nm ssh .  .Nm ssh .
 The possible values are:  The possible values are:
 QUIET, FATAL, ERROR, INFO, VERBOSE, DEBUG, DEBUG1, DEBUG2 and DEBUG3.  QUIET, FATAL, ERROR, INFO, VERBOSE, DEBUG, DEBUG1, DEBUG2 and DEBUG3.
 The default is INFO.  The default is INFO.  DEBUG and DEBUG1 are equivalent.  DEBUG2
 DEBUG and DEBUG1 are equivalent.  and DEBUG3 each specify higher levels of verbose output.
 DEBUG2 and DEBUG3 each specify higher levels of verbose output.  
 .It Cm MACs  .It Cm MACs
 Specifies the MAC (message authentication code) algorithms  Specifies the MAC (message authentication code) algorithms
 in order of preference.  in order of preference.
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 Host key management will be done using the  Host key management will be done using the
 HostName of the host being connected (defaulting to the name typed by  HostName of the host being connected (defaulting to the name typed by
 the user).  the user).
 Setting the command to  
 .Dq none  
 disables this option entirely.  
 Note that  Note that
 .Cm CheckHostIP  .Cm CheckHostIP
 is not available for connects with a proxy command.  is not available for connects with a proxy command.
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 .Dq no .  .Dq no .
 The default is  The default is
 .Dq no .  .Dq no .
 This option applies to protocol version 1 only and requires  This option applies to protocol version 1 only.
 .Nm ssh  
 to be setuid root and  
 .Cm UsePrivilegedPort  
 to be set to  
 .Dq yes .  
 .It Cm RhostsRSAAuthentication  .It Cm RhostsRSAAuthentication
 Specifies whether to try rhosts based authentication with RSA host  Specifies whether to try rhosts based authentication with RSA host
 authentication.  authentication.
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 .Dq no .  .Dq no .
 The default is  The default is
 .Dq no .  .Dq no .
 If set to  
 .Dq yes  
 .Nm ssh  
 must be setuid root.  
 Note that this option must be set to  Note that this option must be set to
 .Dq yes  .Dq yes
 if  if
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 host key database instead of  host key database instead of
 .Pa $HOME/.ssh/known_hosts .  .Pa $HOME/.ssh/known_hosts .
 .It Cm XAuthLocation  .It Cm XAuthLocation
 Specifies the full pathname of the  Specifies the location of the
 .Xr xauth 1  .Xr xauth 1
 program.  program.
 The default is  The default is
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