I - Mission Critical Classified
Rules and Groups employed by this XCCDF Profile
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SRG-NET-000510
<GroupDescription></GroupDescription>Group -
The IPsec VPN Gateway IKE must use NIST FIPS-validated cryptography to implement encryption services for unclassified VPN traffic.
<VulnDiscussion>Use of weak or untested encryption algorithms undermines the purposes of utilizing encryption to protect data. The VPN gatewa...Rule Medium Severity -
SRG-NET-000512
<GroupDescription></GroupDescription>Group -
The IPsec VPN Gateway must use Internet Key Exchange (IKE) for IPsec VPN Security Associations (SAs).
<VulnDiscussion>Without IKE, the SPI is manually specified for each security association. IKE peers will negotiate the encryption algorithm a...Rule High Severity -
SRG-NET-000518
<GroupDescription></GroupDescription>Group -
The VPN Client logout function must be configured to terminate the session on/with the VPN Gateway.
<VulnDiscussion>If a user cannot explicitly end a session, the session may remain open and be exploited by an attacker; this is referred to a...Rule Medium Severity -
SRG-NET-000519
<GroupDescription></GroupDescription>Group -
The VPN Client must display an explicit logout message to users indicating the reliable termination of authenticated communications sessions.
<VulnDiscussion>If a user cannot explicitly end a session, the session may remain open and be exploited by an attacker; this is referred to a...Rule Medium Severity -
SRG-NET-000522
<GroupDescription></GroupDescription>Group -
For site-to-site, VPN Gateway must be configured to store only cryptographic representations of pre-shared Keys (PSKs).
<VulnDiscussion>PSKs need to be protected at all times, and encryption is the standard method for protecting passwords. If PSKs are not encry...Rule Medium Severity
Node 2
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