src/usr.bin/ssh/ssh_config.5 - diff

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Diff for /src/usr.bin/ssh/ssh_config.5 between version 1.87.2.1 and 1.88

version 1.87.2.1, 2006/09/30 04:06:51

version 1.88, 2006/03/13 10:14:29

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to disable the escape

character entirely (making the connection transparent for binary

data).

.It Cm ExitOnForwardFailure

Specifies whether

.Xr ssh 1

should terminate the connection if it cannot set up all requested

dynamic, local, and remote port forwardings.

The argument must be

.Dq yes

.Dq no .

The default is

.Dq no .

.It Cm ForwardAgent

Specifies whether the connection to the authentication agent (if any)

will be forwarded to the remote machine.

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be disclosed.

The default is

.Dq no .

Note that existing names and addresses in known hosts files

Note that hashing of names and addresses will not be retrospectively applied

will not be converted automatically,

to existing known hosts files, but these may be manually hashed using

but may be manually hashed using

.Xr ssh-keygen 1 .

.It Cm HostbasedAuthentication

Specifies whether to try rhosts based authentication with public key

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for protocol version 2.

Additionally, any identities represented by the authentication agent

will be used for authentication.

.Pp

The file name may use the tilde

syntax to refer to a user's home directory or one of the following

syntax to refer to a user's home directory.

escape characters:

.Ql %d

(local user's home directory),

.Ql %u

(local user name),

.Ql %l

(local host name),

.Ql %h

(remote host name) or

.Ql %r

(remote user name).

.Pp

It is possible to have

multiple identity files specified in configuration files; all these

identities will be tried in sequence.

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over another method (e.g.\&

.Cm password )

The default for this option is:

.Do gssapi-with-mic ,

.Dq hostbased,publickey,keyboard-interactive,password .

hostbased,

publickey,

keyboard-interactive,

password

.Dc .

.It Cm Protocol

Specifies the protocol versions

.Xr ssh 1

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.Cm ServerAliveCountMax

is left at the default, if the server becomes unresponsive,

ssh will disconnect after approximately 45 seconds.

This option applies to protocol version 2 only.

.It Cm ServerAliveInterval

Sets a timeout interval in seconds after which if no data has been received

from the server,

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To disable TCP keepalive messages, the value should be set to

.Dq no .

.It Cm Tunnel

Request

Request starting

.Xr tun 4

device forwarding between the client and the server.

This option also allows requesting layer 2 (ethernet)

instead of layer 3 (point-to-point) tunneling from the server.

The argument must be

.Dq yes ,

.Dq point-to-point

.Dq point-to-point ,

(layer 3),

.Dq ethernet ,

.Dq ethernet

(layer 2),

.Dq no .

Specifying

.Dq yes

requests the default tunnel mode, which is

.Dq point-to-point .

The default is

.Dq no .

.It Cm TunnelDevice

Specifies the

Force a specified

.Xr tun 4

devices to open on the client

device on the client.

.Pq Ar local_tun

Without this option, the next available device will be used.

and the server

.Pq Ar remote_tun .

.Pp

The argument must be

.Sm off

.Ar local_tun Op : Ar remote_tun .

.Sm on

The devices may be specified by numerical ID or the keyword

.Dq any ,

which uses the next available tunnel device.

.Ar remote_tun

is not specified, it defaults to

.Dq any .

The default is

.Dq any:any .

.It Cm UsePrivilegedPort

Specifies whether to use a privileged port for outgoing connections.

The argument must be