chmod 700 ~/.ssh chmod 644 ~/.ssh/authorized_keys chmod 644 ~/.ssh/known_hosts chmod 644 ~/.ssh/config # chmod 400 ~/.ssh/id_rsa # chmod 400 ~/.ssh/id_rsa.pub # chmod 400 ~/.ssh/*/id_rsa # chmod 400 ~/.ssh/*/id_rsa.pub chmod 600 ~/.ssh/*/id_rsa chmod 600 ~/.ssh/*/id_rsa.pub chmod 600 ~/.ssh/authorized_keys chmod 600 ~/.ssh/known_hosts chmod 600 ~/.ssh/config