II - Mission Support Sensitive
Rules and Groups employed by this XCCDF Profile
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SRG-NET-000509
Group -
When using locally stored user accounts, the Enterprise Voice, Video, and Messaging Session Manager must generate audit records for all account creations, modifications, disabling, and termination events.
Without generating audit records that are specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an in...Rule Medium Severity -
SRG-NET-000510
Group -
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 -
SRG-NET-000512
Group -
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 -
SRG-NET-000512
Group -
The Enterprise Voice, Video, and Messaging Session Manager must be configured in accordance with the security configuration settings based on DOD security configuration or implementation guidance, including STIGs, NSA configuration guides, CTOs, and DTMs.
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 -
SRG-NET-000518
Group -
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 -
SRG-NET-000520
Group -
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-000520
Group -
The Enterprise Voice, Video, and Messaging Session Manager must be configured to use a voice or video VLAN, separate from all other VLANs.
When network elements do not dynamically reconfigure the data security attributes as data is created and combined, the possibility exist that security attributes will not correctly reflect the data...Rule Medium Severity -
SRG-NET-000522
Group -
When using locally stored user accounts, the Enterprise Voice, Video, and Messaging Session Manager must store only cryptographic representations of passwords.
If passwords and PSKs are not encrypted when stored, they may be read if the storage location is compromised. Note that DOD requires the use two-factor, CAC-enabled authentication and the use of ...Rule Medium Severity -
SRG-NET-000530
Group -
The Enterprise Voice, Video, and Messaging Session Manager must be configured to use only TLS 1.2 or greater for all TLS and SSL communications.
Using older unauthorized versions or incorrectly configuring protocol negotiation makes the gateway vulnerable to known and unknown attacks that exploit vulnerabilities in this protocol. This requ...Rule High Severity -
SRG-NET-000580
Group -
When using PKI, the Enterprise Voice, Video, and Messaging Session Manager must validate certificates used for Transport Layer Security (TLS) functions by performing RFC 5280-compliant certification path validation.
A certificate's certification path is the path from the end entity certificate to a trusted root certification authority (CA). Certification path validation is necessary for a relying party to make...Rule Medium Severity -
SRG-NET-000004
Group -
The Enterprise Voice, Video, and Messaging Session Manager must automatically disable user accounts after a 35-day period of account inactivity.
Attackers that are able to exploit an inactive account can potentially obtain and maintain undetected access to an application. Owners of inactive accounts will not notice if unauthorized access to...Rule Medium Severity
Node 2
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