12.9: Deploy Application Layer Filtering Proxy Server
Group:
The next version of the control set incorporates all or part of this control into: 13.10: Perform Application Layer Filtering.
Control Statement
Ensure that all network traffic to or from the Internet passes through an authenticated application layer proxy that is configured to filter unauthorized connections.
[csf.tools Note: For more information on the Critical Security Controls, visit the Center for Internet Security.]