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Intrusion Detection and Prevention Systems Security Requirements Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-NET-000273

    <GroupDescription></GroupDescription>
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  • In the event of a logging failure, caused by loss of communications with the central logging server, the IDPS must queue audit records locally until communication is restored or until the audit records are retrieved manually or using automated synchronization tools.

    &lt;VulnDiscussion&gt;It is critical that when the IDPS is at risk of failing to process audit logs as required, it take action to mitigate the fai...
    Rule Medium Severity
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  • SRG-NET-000089

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  • In the event of a logging failure caused by the lack of audit record storage capacity, the IDPS must continue generating and storing audit records if possible, overwriting the oldest audit records in a first-in-first-out manner.

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

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  • The IDPS 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 IDPS components gives the organization the capability to better ...
    Rule Medium Severity
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  • SRG-NET-000113

    <GroupDescription></GroupDescription>
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  • The IDPS must provide audit record generation capability for detection events based on implementation of policy filters, rules, signatures, and anomaly analysis.

    &lt;VulnDiscussion&gt;Without the capability to generate audit records, it would be difficult to establish, correlate, and investigate the events r...
    Rule Medium Severity
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  • SRG-NET-000113

    <GroupDescription></GroupDescription>
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  • The IDPS must provide audit record generation capability for events where communication traffic is blocked or restricted based on policy filters, rules, signatures, and anomaly analysis.

    &lt;VulnDiscussion&gt;Without the capability to generate audit records, it would be difficult to establish, correlate, and investigate the events r...
    Rule Medium Severity
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  • The IDPS must provide audit record generation with a configurable severity and escalation level capability.

    &lt;VulnDiscussion&gt;Without the capability to generate audit records with a severity code it is difficult to track and handle detection events. ...
    Rule Medium Severity
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  • SRG-NET-000131

    <GroupDescription></GroupDescription>
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  • The IDPS must be configured to remove or disable non-essential capabilities which are not required for operation or not related to IDPS functionality (e.g., DNS, email client or server, FTP server, or web server).

    &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-000131

    <GroupDescription></GroupDescription>
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  • The IDPS must be configured to remove or disable non-essential features, functions, and services of the IDPS application.

    &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-000132

    <GroupDescription></GroupDescription>
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  • The IDPS must be configured to prohibit or restrict the use of functions, ports, protocols, and/or services, as defined in the PPSM CAL and vulnerability assessments.

    &lt;VulnDiscussion&gt;Some ports, protocols, or services have known exploits or security weaknesses. These ports, protocols, and services must be p...
    Rule Medium Severity
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  • SRG-NET-000192

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

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