GEN004930 - The ftpusers file must be group-owned by bin, sys, or system.

Information

If the ftpusers file is not group-owned by a system group, an unauthorized user may modify the file to allow unauthorized accounts to use FTP.

Solution

Change the group owner of the ftpusers file.
Procedure:
# chgrp system /etc/ftpusers

See Also

http://iasecontent.disa.mil/stigs/zip/U_STIG_Library_2015_07.zip