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II - Mission Support Public

Rules and Groups employed by this XCCDF Profile

  • 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.

    &lt;VulnDiscussion&gt;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.

    &lt;VulnDiscussion&gt;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.

    &lt;VulnDiscussion&gt;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.

    &lt;VulnDiscussion&gt;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.

    &lt;VulnDiscussion&gt;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.

    &lt;VulnDiscussion&gt;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.

    &lt;VulnDiscussion&gt;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.

    &lt;VulnDiscussion&gt;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.

    &lt;VulnDiscussion&gt;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.

    &lt;VulnDiscussion&gt;The use of Personal Identity Verification (PIV) credentials facilitates standardization and reduces the risk of unauthorized...
    Rule Medium Severity

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