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II - Mission Support Classified

Rules and Groups employed by this XCCDF Profile

  • SRG-NET-000089-IDPS-00069

    <GroupDescription></GroupDescription>
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  • In the event of a logging failure caused by the lack of audit record storage capacity, the SMS must continue generating and storing audit records, overwriting the oldest audit records in a first-in-first-out manner using Audit Log maintenance.

    &lt;VulnDiscussion&gt;It is critical that when the TPS is at risk of failing to process audit logs as required, it takes action to mitigate the fai...
    Rule Medium Severity
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  • SRG-NET-000091-IDPS-00193

    <GroupDescription></GroupDescription>
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  • The SMS and TPS must provide log information in a format that can be extracted and used by centralized analysis tools.

    &lt;VulnDiscussion&gt;Centralized review and analysis of log records from multiple SMS and TPS components gives the organization the capability to ...
    Rule Medium Severity
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  • SRG-NET-000131-IDPS-00011

    <GroupDescription></GroupDescription>
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  • The SMS must be configured to remove or disable nonessential capabilities on SMS and TPS, which are not required for operation or not related to IDPS functionality.

    &lt;VulnDiscussion&gt;An IDPS can be capable of providing a wide variety of capabilities. Not all of these capabilities are necessary. Unnecessary ...
    Rule Medium Severity
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  • SRG-NET-000228-IDPS-00196

    <GroupDescription></GroupDescription>
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  • The TPS must detect, at a minimum, mobile code that is unsigned or exhibiting unusual behavior, has not undergone a risk assessment, or is prohibited for use based on a risk assessment.

    &lt;VulnDiscussion&gt;Mobile code is defined as software modules obtained from remote systems, transferred across a network, and then downloaded an...
    Rule Medium Severity
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  • SRG-NET-000229-IDPS-00163

    <GroupDescription></GroupDescription>
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  • The TPS must block any prohibited mobile code at the enclave boundary when it is detected.

    &lt;VulnDiscussion&gt;Mobile code is defined as software modules obtained from remote systems, transferred across a network, and then downloaded an...
    Rule Medium Severity
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  • SRG-NET-000235-IDPS-00169

    <GroupDescription></GroupDescription>
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  • The TPS must fail to a secure state which maintains access control mechanisms when the IDPS hardware, software, or firmware fails on initialization/shutdown or experiences a sudden abort during normal operation (also known as "Fail closed").

    &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
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  • SRG-NET-000362-IDPS-00198

    <GroupDescription></GroupDescription>
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  • The TPS must protect against or limit the effects of known types of denial-of-service (DoS) attacks by employing signatures.

    &lt;VulnDiscussion&gt;If the network does not provide safeguards against DoS attack, network resources will be unavailable to users. Installation...
    Rule Medium Severity
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  • SRG-NET-000192-IDPS-00140

    <GroupDescription></GroupDescription>
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  • The TPS must block outbound traffic containing known and unknown denial-of-service (DoS) attacks by ensuring that security policies, signatures, rules, and anomaly detection techniques are applied to outbound communications traffic.

    &lt;VulnDiscussion&gt;The TPS must include protection against DoS attacks that originate from inside the enclave which can affect either internal o...
    Rule Medium Severity
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  • SRG-NET-000273-IDPS-00198

    <GroupDescription></GroupDescription>
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  • The TPS must block outbound ICMP Destination Unreachable, Redirect, and Address Mask reply messages.

    &lt;VulnDiscussion&gt;Internet Control Message Protocol (ICMP) messages are used to provide feedback about problems in the network. These messages ...
    Rule Medium Severity
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  • SRG-NET-000273-IDPS-00204

    <GroupDescription></GroupDescription>
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  • The TPS must block malicious ICMP packets by properly configuring ICMP signatures and rules.

    &lt;VulnDiscussion&gt;Internet Control Message Protocol (ICMP) messages are used to provide feedback about problems in the network. These messages ...
    Rule Medium Severity
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