Enabling OS STIG hardening
The Security Technical Implementation Guides (STIGs) provide technical guidance for increasing the security of information systems and software to help prevent malicious computer attacks. You can enable OS STIG hardening rules for the appliance for increased security. These rules are based on the following profile from the Defense Information Systems Agency (DISA):
STIG for Red Hat Enterprise Linux 7 Server - Version 0.1.43
See the Access Appliance Administrator's Guide for more information.