GEN004930 - The ftpusers file must be group-owned by root, bin, sys, or system - '/etc/vsftpd/ftpusers'

Information

If the ftpusers file is not group-owned by root or 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 root /etc/ftpusers /etc/vsftpd.ftpusers /etc/vsftpd/ftpusers

See Also

http://iasecontent.disa.mil/stigs/zip/U_RedHat_5_V1R18_STIG.zip