Difference between revisions of "/etc/ssh/ssh config"

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[[OpenSSH client]] configuration file.
  
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Man page: https://man7.org/linux/man-pages/man5/ssh_config.5.html
  
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* <code>[[~/.ssh/]]config</code>
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* <code>/etc/ssh/ssh_config</code>
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 +
== Examples ==
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=== Basic example ===
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Host your_machine_name
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    Hostname IP_or_dns_name
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    User [[Default usernames|USERNAME_TO_CONNECT]]
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    [[IdentityFile]] ~/[[.ssh/id_ed25519]]      #Private key
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=== Complete example ===
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Host machine_name_for_ssh_client
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    [[ProxyJump]] YOUR_SERVER_TO_USE_AS_JUMPSERVER
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    Hostname (IP or hostname)
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    Port 22
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    User [[Default usernames|USERNAME_TO_CONNECT]]
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    [[IdentityFile]] ~/.ssh/id_ed25519
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== [[Configure OpenSSH to reuse ssh connections]] ==
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[[ControlMaster]] auto
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[[ControlPath]] ~/.ssh/sockets/%r@%h-%p
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[[ControlPersist]] 36000
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== [[OpenSSH Changelog]] ==
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* 2016 [[OpenSSH 7.3]]  <code>include include.d/your_file</code>
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 +
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To allow connection to some [[Cisco IOS]] devices:
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*<code>[[KexAlgorithms]] +diffie-hellman-group14-sha1</code>
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== Directives ==
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* <code>[[HashKnownHosts]]</code>
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* <code>[[StrictHostKeyChecking]]</code>
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* <code>[[KexAlgorithms]]</code>
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* <code>[[RemoteCommand]]</code>
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* <code>[[ServerAliveInterval]]</code>
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== Errors ==
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* <code>[[bad configuration option:]]</code>
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== Related terms ==
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* [[Default usernames]]
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* <code>[[.pg_service.conf]]</code>
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* <code>[[viconfig]]</code>
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* <code>[[aws ssm start-session]]</code>
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* <code>[[IdentityAgent]]</code>
  
 
== See also ==
 
== See also ==
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* {{ssh_config}}
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* {{ssh (openSSH)}}
 
* {{OpenSSH}}
 
* {{OpenSSH}}
  
  
 
[[Category:Security]]
 
[[Category:Security]]

Latest revision as of 14:59, 24 March 2023

OpenSSH client configuration file.

Man page: https://man7.org/linux/man-pages/man5/ssh_config.5.html

Examples[edit]

Basic example[edit]

Host your_machine_name
    Hostname IP_or_dns_name
    User USERNAME_TO_CONNECT
    IdentityFile ~/.ssh/id_ed25519       #Private key

Complete example[edit]

Host machine_name_for_ssh_client
    ProxyJump YOUR_SERVER_TO_USE_AS_JUMPSERVER
    Hostname (IP or hostname)
    Port 22
    User USERNAME_TO_CONNECT
    IdentityFile ~/.ssh/id_ed25519

Configure OpenSSH to reuse ssh connections[edit]

ControlMaster auto
ControlPath ~/.ssh/sockets/%r@%h-%p
ControlPersist 36000

OpenSSH Changelog[edit]


To allow connection to some Cisco IOS devices:

Directives[edit]

Errors[edit]

Related terms[edit]

See also[edit]

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