Enterprise Voice, Video, and Messaging Policy Security Requirements Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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SRG-VOIP-000530
Group -
SRG-VOIP-000540
Group -
The Session Border Controller (SBC) (or similar firewall type device) must perform stateful inspection and packet authentication for all VVoIP traffic (inbound and outbound) and deny all other packets.
Once a pinhole is opened in the enclave boundary for a known session, the packets that are permitted to pass must be managed. If they are not properly managed, packets that are not part of a known ...Rule High Severity -
SRG-VOIP-000550
Group -
The Session Border Controller (SBC) (or similar firewall type device) must deny all packets traversing the enclave boundary (inbound or outbound) through the IP port pinholes opened for VVoIP sessions, except RTP/RTCP, SRTP/SRTCP, or other protocol/flow established by signaling messages.
Once a pinhole is opened in the enclave boundary for a known session, the packets that are permitted to pass must be managed. If they are not properly managed, packets that are not part of a known ...Rule High Severity -
SRG-VOIP-000560
Group -
The Session Border Controller (SBC) must be configured to notify system administrators and the information system security officer (ISSO) when attempts to cause a denial of service (DoS) or other suspicious events are detected.
Action cannot be taken to thwart an attempted DOS or compromise if the system administrators responsible for the operation of the SBC and/or the network defense operators are not alerted to the occ...Rule Medium Severity -
SRG-VOIP-000570
Group -
SRG-VOIP-000590
Group -
A MAC Authentication Bypass policy must be implemented for 802.1x unsupported devices that connect to the Enterprise Voice, Video, and Messaging system.
MAC Authentication Bypass (MAB) is not a sufficient stand-alone authentication mechanism for non-802.1x supplicant endpoints. Additional policy-based validation techniques must be developed to ensu...Rule Medium Severity
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