II - Mission Support Classified
Rules and Groups employed by this XCCDF Profile
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SRG-NET-000074-VPN-000250
Group -
The Cisco ASA must be configured to use a Diffie-Hellman (DH) Group of 16 or greater for Internet Key Exchange (IKE) Phase 1.
Use of an approved DH algorithm ensures the IKE (Phase 1) proposal uses FIPS-validated key management techniques and processes in the production, storage, and control of private/secret cryptographi...Rule High Severity -
SRG-NET-000168-VPN-000600
Group -
The Cisco ASA must be configured to use FIPS-validated SHA-2 at 384 bits or higher for Internet Key Exchange (IKE) Phase 1.
Without cryptographic integrity protections, information can be altered by unauthorized users without detection. Although allowed by SP800-131Ar2 for some applications, SHA-1 is considered a compr...Rule Medium Severity -
SRG-NET-000230-VPN-000780
Group -
The Cisco ASA must be configured to use FIPS-validated SHA-2 or higher for Internet Key Exchange (IKE) Phase 2.
Authenticity protection provides protection against man-in-the-middle attacks/session hijacking and the insertion of false information into sessions. Although allowed by SP800-131Ar2 for some appl...Rule High Severity -
SRG-NET-000019-VPN-000040
Group -
The Cisco ASA VPN gateway must be configured to restrict what traffic is transported via the IPsec tunnel according to flow control policies.
Unrestricted traffic may contain malicious traffic which poses a threat to an enclave or to other connected networks. Additionally, unrestricted traffic may transit a network, which uses bandwidth ...Rule Medium Severity -
SRG-NET-000148-VPN-000540
Group -
The Cisco ASA VPN gateway must be configured to identify all peers before establishing a connection.
Without identifying devices, unidentified or unknown devices may be introduced, thereby facilitating malicious activity. For distributed architectures (e.g., service-oriented architectures), the d...Rule Medium Severity
Node 2
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