From Voice Video Policy Security Technical Implementation Guide
Part of SRG-POL-400019
Associated with: CCI-002073
Organizations must carefully consider the risks that may be introduced when information systems (i.e., system interconnections) are connected to other systems with different security requirements and security controls, both within organizations and external to organizations. Authorizing Officials determine the risk associated with information system connections and the appropriate controls employed. Risk considerations also include information systems sharing the same networks.
Review each Voice Video system security plan (SSP). Confirm the organization documents the bidirectional enclave boundary protection (e.g., firewall) used between the local Voice Video system management network and the DISN Voice Services management network. Verify the owner responsible for the enclave boundary protection device configuration and management. This device may be owned and operated by the DISN management network or the local network or may be two devices owned and operated by each entity. If the organization does not document the bidirectional enclave boundary protection used between the local Voice Video system management network and the DISN Voice Services management network, this is a finding.
Document the bidirectional enclave boundary protection used between the local Voice Video system management network and the DISN Voice Services management network. This commonly is a firewall owned and operated by the DISN management network or the local network or two devices owned and operated by each entity.
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