Information
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
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.