Difference between revisions of "~/.ssh/authorized keys"
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<code>[[touch]] ~/[[.ssh]]/authorized_keys && [[chmod]] og-r ~/.ssh/authorized_keys</code> | <code>[[touch]] ~/[[.ssh]]/authorized_keys && [[chmod]] og-r ~/.ssh/authorized_keys</code> | ||
| − | [[chmod]] 600 ~/.ssh/authorized_keys | + | [[chmod]] 600 ~/[[.ssh]]/authorized_keys |
* [[Configure OpenSSH to allow Public-key authentication]] | * [[Configure OpenSSH to allow Public-key authentication]] | ||
Revision as of 05:35, 17 May 2020
touch ~/.ssh/authorized_keys && chmod og-r ~/.ssh/authorized_keys
chmod 600 ~/.ssh/authorized_keys
https://linux.die.net/man/5/sshd_config
AUTHORIZED_KEYS FILE FORMAT
AuthorizedKeysFile specifies the files containing public keys for public key authentication; if this option is not specified, the default is ~/.ssh/authorized_keys and
~/.ssh/authorized_keys2. Each line of the file contains one key (empty lines and lines starting with a ‘#’ are ignored as comments). Public keys consist of the following
space-separated fields: options, keytype, base64-encoded key, comment. The options field is optional. The supported key
types are:
[email protected] ecdsa-sha2-nistp256 ecdsa-sha2-nistp384 ecdsa-sha2-nistp521 [email protected] ssh-ed25519 ssh-dss ssh-rsa
The comment field is not used for anything (but may be convenient for the user to identify the key).
Example files
ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIEBiBqpWXhPTH9RIo9UR3ED9xUv6O/SqpWRn16UH/gHD TEXT@TEXT ssh-rsa .../...
Additional information about format key:
- https://serverfault.com/questions/526399/why-do-my-two-ssh-public-keys-have-the-same-beginning/526404
- https://tools.ietf.org/html/rfc4253
ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQ...
| "ssh-rsa" |exponent| modulus
ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIFKy...
| "ssh-ed25519" | 32 byte public key
See also
- 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 - SSH:
ssh, TLS,.ppk, .pem, .crt, .pub, ED25519, Key exchange method (KEX), public key, private key,ssh -Q kex,IAMUserSSHKeys,known_hosts, ssh tunnel, Dropbear
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