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

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Diff for /src/usr.bin/ssh/ssh_config.5 between version 1.192 and 1.193

version 1.192, 2014/08/30 15:33:50

version 1.193, 2014/10/08 22:20:25

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.Dq Host

specifications, and that section is only applied for hosts that

match one of the patterns given in the specification.

The matched host name is the one given on the command line.

The matched host name is usually the one given on the command line

(see the

.Cm CanonicalizeHostname

option for exceptions.)

.Pp

Since the first obtained value for each parameter is used, more

host-specific declarations should be given near the beginning of the

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.Ql *

as a pattern can be used to provide global

defaults for all hosts.

The host is the

The host is usually the

.Ar hostname

argument given on the command line (i.e. the name is not converted to

argument given on the command line

a canonicalized host name before matching).

(see the

.Cm CanonicalizeHostname

option for exceptions.)

.Pp

A pattern entry may be negated by prefixing it with an exclamation mark

.Pq Sq !\& .

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keyword) to be used only when the conditions following the

.Cm Match

keyword are satisfied.

Match conditions are specified using one or more keyword/criteria pairs

Match conditions are specified using one or more critera

or the single token

.Cm all

which matches all criteria.

which always matches.

The available keywords are:

The available criteria keywords are:

.Cm canonical ,

.Cm exec ,

.Cm host ,

.Cm originalhost ,

.Cm user ,

and

.Cm localuser .

The

.Cm all

criteria must appear alone or immediately after

.Cm canonical.

Other criteria may be combined arbitrarily.

All criteria but

.Cm all

and

.Cm canonical

require an argument.

Criteria may be negated by prepending an exclamation mark

.Pq Sq !\& .

.Pp

The

.Cm canonical

keywork matches only when the configuration file is being re-parsed

after hostname canonicalization (see the

.Cm CanonicalizeHostname

option.)

This may be useful to specify conditions that work with canonical host

names only.

The

.Cm exec

keyword executes the specified command under the user's shell.

If the command returns a zero exit status then the condition is considered true.

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keyword are matched against the target hostname, after any substitution

by the

.Cm Hostname

option.

.Cm CanonicalizeHostname

options.

The

.Cm originalhost

keyword matches against the hostname as it was specified on the command-line.

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.Dq always ,

then canonicalization is applied to proxied connections too.

.Pp

If this option is enabled and canonicalisation results in the target hostname

If this option is enabled, then the configuration files are processed

changing, then the configuration files are processed again using the new

again using the new target name to pick up any new configuration in matching

target name to pick up any new configuration in matching

.Cm Host

and

.Cm Match

stanzas.

.It Cm CanonicalizeMaxDots

Specifies the maximum number of dot characters in a hostname before