Level 1 - Server Level 1 - Workstation
The /etc/ssh/sshd_config file contains configuration specifications for sshd. The command below sets the owner and group of the file to root.
The /etc/ssh/sshd_config file needs to be protected from unauthorized changes by non-privileged users.
Run the following command and verify Uid and Gid are both 0/root and Access does not grant permissions to group or other:
# stat /etc/ssh/sshd_config Access: (0600/-rw-------) Uid: ( 0/ root) Gid: ( 0/ root)
Run the following commands to set ownership and permissions on /etc/ssh/sshd_config:
# chown root:root /etc/ssh/sshd_config # chmod og-rwx /etc/ssh/sshd_config