Documentation - V-224058

Title

IBM z/OS TCP/IP resources must be properly protected.

Description

<VulnDiscussion>To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must be properly configured to incorporate access control methods that do not rely solely on the possession of a certificate for access. Successful authentication must not automatically give an entity access to an asset or security boundary. Authorization procedures and controls must be implem...

Fix Text (Documentation Requirement)

Develop a plan of action to implement the required changes. Ensure the following items are in effect for TCP/IP resources. Note: The resource class, resources, and/or resource prefixes identified below are examples of a possible installation. The actual resource class, resources, and/or resource prefixes are determined when the product is actually installed on a system through the product's installation guide and can be site specific. -Ensure that the EZA, EZB, and IST resources of the SERVAUTH resource class are properly owned and/or DEFPROT is specified in the SERVAUTH resource class. -No access is given to the EZA, EZB, and IST resources of the SERVAUTH resource class. -If the product CSSMTP is on the system, no access is given to EZB.CSSMTP of the SERVAUTH resource class. EZB.CSSMTP....