No profile (default benchmark)
Rules and Groups employed by this XCCDF Profile
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SRG-NET-000147
<GroupDescription></GroupDescription>Group -
The TLS VPN must be configured to use replay-resistant authentication mechanisms for network access to nonprivileged accounts.
<VulnDiscussion>A replay attack may enable an unauthorized user to gain access to the application. Authentication sessions between the authen...Rule Medium Severity -
SRG-NET-000147
<GroupDescription></GroupDescription>Group -
The IPsec VPN Gateway must use anti-replay mechanisms for security associations.
<VulnDiscussion>Anti-replay is an IPsec security mechanism at a packet level, which helps to avoid unwanted users from intercepting and modif...Rule Medium Severity -
SRG-NET-000148
<GroupDescription></GroupDescription>Group -
The VPN Gateway must uniquely identify all network-connected endpoint devices before establishing a connection.
<VulnDiscussion>Without identifying devices, unidentified or unknown devices may be introduced, thereby facilitating malicious activity. For...Rule Medium Severity -
SRG-NET-000164
<GroupDescription></GroupDescription>Group -
The VPN Gateway, when utilizing PKI-based authentication, must validate certificates by constructing a certification path (which includes status information) to an accepted trust anchor.
<VulnDiscussion>Without path validation, an informed trust decision by the relying party cannot be made when presented with any certificate n...Rule Medium Severity -
SRG-NET-000165
<GroupDescription></GroupDescription>Group -
The site-to-site VPN, when using PKI-based authentication for devices, must enforce authorized access to the corresponding private key.
<VulnDiscussion>If the private key is discovered, an attacker can use the key to authenticate as an authorized user and gain access to the ne...Rule Medium Severity -
SRG-NET-000166
<GroupDescription></GroupDescription>Group -
The Remote Access VPN Gateway must use a separate authentication server (e.g., LDAP, RADIUS, TACACS+) to perform user authentication.
<VulnDiscussion>The VPN interacts directly with public networks and devices and should not contain user authentication information for all us...Rule Medium Severity -
SRG-NET-000166
<GroupDescription></GroupDescription>Group -
The VPN Gateway must map the authenticated identity to the user account for PKI-based authentication.
<VulnDiscussion>Without mapping the certificate used to authenticate to the user account, the ability to determine the identity of the indivi...Rule Medium Severity -
SRG-NET-000168
<GroupDescription></GroupDescription>Group -
The VPN Gateway must use FIPS-validated SHA-2 or higher hash function to protect the integrity of hash message authentication code (HMAC), Key Derivation Functions (KDFs), Random Bit Generation, hash-only applications, and digital signature verification.
<VulnDiscussion>Without cryptographic integrity protections, information can be altered by unauthorized users without detection. Although al...Rule Medium Severity -
SRG-NET-000169
<GroupDescription></GroupDescription>Group -
The VPN Gateway must uniquely identify and authenticate non-organizational users (or processes acting on behalf of non-organizational users).
<VulnDiscussion>Lack of authentication and identification enables non-organizational users to gain access to the network or possibly a VPN ga...Rule Medium Severity -
SRG-NET-000205
<GroupDescription></GroupDescription>Group -
The VPN Gateway must be configured to route sessions to an IDPS for inspection.
<VulnDiscussion>Remote access devices, such as those providing remote access to network devices and information systems, which lack automated...Rule Medium Severity -
SRG-NET-000213
<GroupDescription></GroupDescription>Group -
The VPN Gateway must terminate all network connections associated with a communications session at the end of the session.
<VulnDiscussion>Idle TCP sessions can be susceptible to unauthorized access and hijacking attacks. By default, routers do not continually tes...Rule Low Severity -
SRG-NET-000230
<GroupDescription></GroupDescription>Group -
The VPN Gateway must use FIPS 140-2 compliant mechanisms for authentication to a cryptographic module.
<VulnDiscussion>Unapproved mechanisms that are used for authentication to the cryptographic module are not verified, and therefore cannot be ...Rule Medium Severity -
SRG-NET-000230
<GroupDescription></GroupDescription>Group -
The IPSec VPN must be configured to use FIPS-validated SHA-2 at 384 bits or higher for Internet Key Exchange (IKE).
<VulnDiscussion>Without cryptographic integrity protections, information can be altered by unauthorized users without detection. Although al...Rule High Severity -
SRG-NET-000231
<GroupDescription></GroupDescription>Group -
The VPN Gateway must invalidate session identifiers upon user logoff or other session termination.
<VulnDiscussion>Captured sessions can be reused in "replay" attacks. This requirement limits the ability of adversaries from capturing and co...Rule Medium Severity -
SRG-NET-000233
<GroupDescription></GroupDescription>Group -
The VPN Gateway must recognize only system-generated session identifiers.
<VulnDiscussion>VPN gateways (depending on function) utilize sessions and session identifiers to control application behavior and user access...Rule Medium Severity -
SRG-NET-000234
<GroupDescription></GroupDescription>Group -
The VPN Gateway must generate unique session identifiers using FIPS-validated Random Number Generator (RNG) based on the Deterministic Random Bit Generators (DRBG) algorithm.
<VulnDiscussion>Both IPsec and TLS gateways use the RNG to strengthen the security of the protocols. Using a weak RNG will weaken the protoco...Rule Medium Severity -
SRG-NET-000235
<GroupDescription></GroupDescription>Group -
The VPN Gateway must fail to a secure state if system initialization fails, shutdown fails, or aborts fail.
<VulnDiscussion>Failure to a known safe state helps prevent systems from failing to a state that may cause loss of data or unauthorized acces...Rule Medium Severity -
SRG-NET-000313
<GroupDescription></GroupDescription>Group -
The VPN Gateway must be configured to perform an organization-defined action if the audit reveals unauthorized activity.
<VulnDiscussion>Remote access devices, such as those providing remote access to network devices and information systems, which lack automated...Rule Medium Severity -
SRG-NET-000314
<GroupDescription></GroupDescription>Group -
The VPN Gateway administrator accounts or security policy must be configured to allow the system administrator to immediately disconnect or disable remote access to devices and/or users when needed.
<VulnDiscussion>Without the ability to immediately disconnect or disable remote access, an attack or other compromise taking progress would n...Rule Medium Severity -
SRG-NET-000317
<GroupDescription></GroupDescription>Group -
The IPsec VPN Gateway must use AES encryption for the Internet Key Exchange (IKE) proposal to protect confidentiality of remote access sessions.
<VulnDiscussion>Without confidentiality protection mechanisms, unauthorized individuals may gain access to sensitive information via a remote...Rule High Severity -
SRG-NET-000334
<GroupDescription></GroupDescription>Group -
The VPN Gateway must off-load audit records onto a different system or media than the system being audited.
<VulnDiscussion>Information stored in one location is vulnerable to accidental or incidental deletion or alteration. Off-loading is a common...Rule Medium Severity -
SRG-NET-000335
<GroupDescription></GroupDescription>Group -
The VPN Gateway must generate a log record or an SNMP trap that can be forwarded as an alert to, at a minimum, the SCA and ISSO, of all log failure events where the detection and/or prevention function is unable to write events to either local storage or the centralized server.
<VulnDiscussion>It is critical for the appropriate personnel to be aware if a system is at risk of failing to process audit logs as required....Rule Medium Severity -
SRG-NET-000337
<GroupDescription></GroupDescription>Group -
The VPN Gateway must renegotiate the IPsec security association (SA) after eight hours or less.
<VulnDiscussion>The IPsec SA and its corresponding key will expire either after the number of seconds or amount of traffic volume has exceede...Rule Medium Severity -
SRG-NET-000337
<GroupDescription></GroupDescription>Group -
The VPN Gateway must renegotiate the IKE security association (SA) after eight hours or less.
<VulnDiscussion>When a VPN gateway creates an IPsec SA, resources must be allocated to maintain the SA. These resources are wasted during per...Rule Medium Severity -
SRG-NET-000341
<GroupDescription></GroupDescription>Group -
The VPN Gateway must accept the Common Access Card (CAC) credential.
<VulnDiscussion>The use of Personal Identity Verification (PIV) credentials facilitates standardization and reduces the risk of unauthorized...Rule Medium Severity
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