Enterprise Voice, Video, and Messaging Session Management Security Requirements Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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The Enterprise Voice, Video, and Messaging Session Manager must be configured to require Voice Video Endpoints to re-register at least every three hours.
Device registration is a solution enabling an organization to manage devices. It is an additional layer of authentication ensuring only specific pre-authorized devices can access the system. Regist...Rule Medium Severity -
The Enterprise Voice, Video, and Messaging Session Manager must be configured to provide an indication of current participants in all calls, meetings, and conferences.
Providing an explicit indication of current participants in videoconferences helps to prevent unauthorized individuals from participating in collaborative videoconference sessions without the expli...Rule Medium Severity -
The Enterprise Voice, Video, and Messaging Session Manager supporting Command and Control (C2) communications must associate multilevel precedence and preemption (MLPP) attributes when exchanged between unified capabilities (UC) system components.
If MLPP attributes are not associated with the information being transmitted between systems, then access control policies and information flows which depend on these MLPP attributes will not funct...Rule Medium Severity -
The Enterprise Voice, Video, and Messaging Session Manager must be configured to protect against or limit the effects of all types of denial-of-service (DoS) attacks by employing organizationally defined security safeguards.
A network element experiencing a DoS attack will not be able to handle the traffic load. The high CPU utilization caused by a DoS attack will also have impact control keep-alives and timers used fo...Rule Medium Severity -
The Enterprise Voice, Video, and Messaging Session Manager must be configured to protect the confidentiality and integrity of transmitted configuration files, signaling, and media streams.
Without protection of the transmitted information, confidentiality and integrity may be compromised as unprotected communications can be intercepted and either read or altered. Communication paths ...Rule High Severity -
The Enterprise Voice, Video, and Messaging Session Manager must implement NIST FIPS-validated cryptography for communications sessions.
All signaling and media traffic from an Enterprise Voice, Video, and Messaging Session Manager must be encrypted. Network elements using encryption are required to use FIPS-compliant mechanisms for...Rule High Severity -
The Enterprise Voice, Video, and Messaging Session Manager must be configured to use the organization authoritative time source (NTP) to maintain system time.
Configuring the network element to implement organization-wide security implementation guides and security checklists ensures compliance with federal standards and establishes a common security bas...Rule Medium Severity -
The Enterprise Voice, Video, and Messaging Session Manager requiring user access authentication must provide a logout capability for user-initiated communications sessions.
If a user cannot explicitly end a session, the session may remain open and be exploited by an attacker; this is referred to as a zombie session. However, for some types of interactive sessions inc...Rule Medium Severity -
The Enterprise Voice, Video, and Messaging Session Manager must be configured to apply 802.1Q VLAN tags to signaling and media traffic.
When network elements do not dynamically reconfigure the data security attributes as data is created and combined, the possibility exists that security attributes will not correctly reflect the dat...Rule Medium Severity -
SRG-NET-000138
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SRG-NET-000018
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SRG-NET-000015
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The Enterprise Voice, Video, and Messaging Session Manager must disable (prevent) auto-registration of Voice Video Endpoints.
Authentication must not automatically give an entity access to an asset. Authorization procedures and controls must be implemented to ensure each authenticated entity also has a validated and curre...Rule High Severity -
SRG-NET-000018
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The Enterprise Voice, Video, and Messaging Session Manager must be configured to only enable the extension mobility feature for endpoints on a per user basis.
Extension mobility is a feature of a VVoIP system that permits a person to transfer their phone number extension and phone features (or configuration) to a phone that is not in their normal workspa...Rule Medium Severity -
The Enterprise Voice, Video, and Messaging Session Manager must limit the number of concurrent management sessions to an organizationally defined limit.
Network element management includes the ability to control the number of users and user sessions that use a network element. Limiting the number of allowed users and sessions per user is helpful in...Rule Medium Severity -
SRG-NET-000018
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SRG-NET-000041
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The Enterprise Voice, Video, and Messaging Session Manager must display the Standard Mandatory DOD Notice and Consent Banner before granting access to management sessions.
Display of a standardized and approved use notification before granting access to the network ensures privacy and security notification verbiage used is consistent with applicable federal laws, Exe...Rule Medium Severity -
SRG-NET-000042
Group
Node 2
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