Install the 'security' module: '$ sudo yum install mod_security' [yes/no] 'mod_security' provides an additional level of protection for the web server by enabling the administrator to implement content access policies and filters at the application layer. oval:org.secpod.oval:def:30487 oval:org.secpod.oval:def:31210 SCAP Repo OVAL Definition 2015-11-13