Difference between revisions of "/etc/ssh/ssh config"
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+ | [[OpenSSH client]] configuration file. | ||
+ | |||
+ | Man page: https://man7.org/linux/man-pages/man5/ssh_config.5.html | ||
+ | |||
* <code>[[~/.ssh/]]config</code> | * <code>[[~/.ssh/]]config</code> | ||
* <code>/etc/ssh/ssh_config</code> | * <code>/etc/ssh/ssh_config</code> | ||
+ | == Examples == | ||
=== Basic example === | === Basic example === | ||
Host your_machine_name | Host your_machine_name | ||
Hostname IP_or_dns_name | Hostname IP_or_dns_name | ||
User [[Default usernames|USERNAME_TO_CONNECT]] | User [[Default usernames|USERNAME_TO_CONNECT]] | ||
− | [[IdentityFile]] ~/[[.ssh/id_ed25519]] | + | [[IdentityFile]] ~/[[.ssh/id_ed25519]] #Private key |
=== Complete example === | === Complete example === | ||
Line 16: | Line 21: | ||
[[IdentityFile]] ~/.ssh/id_ed25519 | [[IdentityFile]] ~/.ssh/id_ed25519 | ||
− | + | == [[Configure OpenSSH to reuse ssh connections]] == | |
[[ControlMaster]] auto | [[ControlMaster]] auto | ||
[[ControlPath]] ~/.ssh/sockets/%r@%h-%p | [[ControlPath]] ~/.ssh/sockets/%r@%h-%p | ||
[[ControlPersist]] 36000 | [[ControlPersist]] 36000 | ||
− | |||
== [[OpenSSH Changelog]] == | == [[OpenSSH Changelog]] == | ||
Line 28: | Line 32: | ||
To allow connection to some [[Cisco IOS]] devices: | To allow connection to some [[Cisco IOS]] devices: | ||
*<code>[[KexAlgorithms]] +diffie-hellman-group14-sha1</code> | *<code>[[KexAlgorithms]] +diffie-hellman-group14-sha1</code> | ||
+ | |||
+ | == Directives == | ||
+ | * <code>[[HashKnownHosts]]</code> | ||
+ | * <code>[[StrictHostKeyChecking]]</code> | ||
+ | * <code>[[KexAlgorithms]]</code> | ||
+ | * <code>[[RemoteCommand]]</code> | ||
+ | * <code>[[ServerAliveInterval]]</code> | ||
+ | |||
+ | == Errors == | ||
+ | * <code>[[bad configuration option:]]</code> | ||
== Related terms == | == Related terms == | ||
* [[Default usernames]] | * [[Default usernames]] | ||
− | |||
* <code>[[.pg_service.conf]]</code> | * <code>[[.pg_service.conf]]</code> | ||
+ | * <code>[[viconfig]]</code> | ||
+ | * <code>[[aws ssm start-session]]</code> | ||
+ | * <code>[[IdentityAgent]]</code> | ||
== See also == | == See also == | ||
− | * {{ssh}} | + | * {{ssh_config}} |
+ | * {{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
~/.ssh/config
/etc/ssh/ssh_config
Contents
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]
- 2016 OpenSSH 7.3
include include.d/your_file
To allow connection to some Cisco IOS devices:
KexAlgorithms +diffie-hellman-group14-sha1
Directives[edit]
Errors[edit]
Related terms[edit]
See also[edit]
/etc/ssh/ssh_config, ~/.ssh/config, RemoteCommand, RequestTTY, ServerAliveInterval, UseKeychain
- OpenSSH:
ssh
,ssh -O
,-i, -t
,-T, -N, -V
,/etc/ssh/ssh_config
,ssh --help
- OpenSSH (changelog):
/etc/ssh/sshd_config
|/etc/ssh/ssh_config
|~/.ssh/
|openSSL | sshd logs
|sftp
|scp
|authorized_keys
|ssh-keygen
|ssh-keyscan
|ssh-add
|ssh-agent
|ssh
|Ssh -O stop
|ssh-copy-id
|CheckHostIP
|UseKeychain
, OpenSSF
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