The rsyncd service can be used to synchronize files between systems over network links. Rationale: The rsyncd service presents a security risk as it uses unencrypted protocols for communication.
Solution
Run the following command to disable rsyncd : # systemctl --now disable rsyncd /etc is stateless on Container-Optimized OS. Therefore, the steps mentioned above needs to be performed after every boot. Additional Information: Additional methods of disabling a service exist. Consult your distribution documentation for appropriate methods. On some distributions the rsync service is known as rsync, not rsyncd.