II - Mission Support Sensitive
Rules and Groups employed by this XCCDF Profile
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SRG-VOIP-000400
<GroupDescription></GroupDescription>Group -
The Fire and Emergency Services (FES) communications over a site's telephone system must be configured to support the Department of Defense Instruction (DODI) 6055.06 telecommunication capabilities.
<VulnDiscussion>Emergency communications must include requests for fire, police, and medical assistance. In DOD, these communications can als...Rule Medium Severity -
SRG-VOIP-000410
<GroupDescription></GroupDescription>Group -
The Fire and Emergency Services (F&ES) communications over a site's private telephone system must provide the originating telephone number to the emergency services answering point or call center through a transfer of Automatic Number Identification (ANI) or Automatic Location Identification (ALI) information.
<VulnDiscussion>The implementation of Enhanced F&ES telecommunications services requires that the emergency services answering point or c...Rule Medium Severity -
SRG-VOIP-000420
<GroupDescription></GroupDescription>Group -
The Fire and Emergency Services (F&ES) communications over a site's private telephone system must provide a direct callback telephone number and physical location of an F&ES caller to the emergency services answering point or call center through a transfer of Automatic Number Identification (ANI) and extended Automatic Location Identification (ALI) information or access to an extended ALI database.
<VulnDiscussion>Under Federal Communication Commission (FCC) rules and the laws of some states, the implementation of Enhanced F&ES telec...Rule Medium Severity -
SRG-VOIP-000430
<GroupDescription></GroupDescription>Group -
The Fire and Emergency Services (F&ES) communications over a site's private telephone system must route emergency calls as a priority call in a nonblocking manner.
<VulnDiscussion>When calling the designated F&ES telephone number, the call must go through regardless of the state of other calls in the...Rule Medium Severity -
SRG-VOIP-000440
<GroupDescription></GroupDescription>Group -
Eight hours of backup power must be provided for LAN Infrastructure, WAN boundary, VVoIP infrastructure, and VVoIP endpoints to support Special-C2 users.
<VulnDiscussion>Unified Capabilities (UC) users require different levels of capability depending on command and control needs. Special-C2 dec...Rule Medium Severity -
SRG-VOIP-000450
<GroupDescription></GroupDescription>Group -
Two hours of backup power must be provided for LAN Infrastructure, WAN boundary, VVoIP infrastructure, and VVoIP endpoints to support Immediate or Priority precedence C2 users.
<VulnDiscussion>Unified Capabilities (UC) users require different levels of capability depending upon command and control (C2) needs. Special...Rule Medium Severity -
SRG-VOIP-000460
<GroupDescription></GroupDescription>Group -
Sufficient backup power must be provided for LAN infrastructure, WAN boundary, VVoIP infrastructure, and VVoIP endpoints to support non-command and control (C2) user accessible endpoints for emergency life safety and security calls.
<VulnDiscussion>Unified Capabilities (UC) users require different levels of capability depending on command and control needs. Special-C2 dec...Rule Low Severity -
SRG-VOIP-000470
<GroupDescription></GroupDescription>Group -
The Session Border Controller (SBC) must filter inbound SIP and AS-SIP traffic based on the IP addresses of the internal Enterprise Session Controller (ESC), Local Session Controller (LSC), or Multifunction Soft Switch (MFSS).
<VulnDiscussion>The SBC is in the VVoIP signaling between the LSC and MFSS. To limit exposure to compromise and denial of service, the SBC mu...Rule Medium Severity -
SRG-VOIP-000480
<GroupDescription></GroupDescription>Group -
The Session Border Controller (SBC) must be configured to terminate and decrypt inbound and outbound SIP and AS-SIP sessions to ensure proper management for the transition of the SRTP/SRTCP streams.
<VulnDiscussion>The function of the SBC is to manage SIP and AS-SIP signaling messages. To perform its proper function in the enclave boundar...Rule Medium Severity -
SRG-VOIP-000490
<GroupDescription></GroupDescription>Group -
The Session Border Controller (SBC) must be configured to only process packets authenticated from an authorized source within the DISN IPVS network.
<VulnDiscussion>The function of the SBC is to manage SIP and AS-SIP signaling messages. The SBC also authenticates SIP and AS-SIP signaling m...Rule Medium Severity
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