0600

• sshd_config
• .ssh/

chmod 600 ~/.ssh/id_ed25519
chmod 600 ~/.ssh/id_ed25519.pub

User can read and write: http://permissions-calculator.org/decode/0600/

Related terms

• rwx
• 400
• chmod 600
• /etc/ssh/ssh config

See also

• chmod: 400, 0600, 0644