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Application Layer Gateway (ALG) Security Requirements Guide (SRG)

Rules, Groups, and Values defined within the XCCDF Benchmark

  • The ALG must restrict or block harmful or suspicious communications traffic by controlling the flow of information between interconnected networks based on attribute- and content-based inspection of the source, destination, headers, and/or content of the communications traffic.

    <VulnDiscussion>Information flow control regulates where information is allowed to travel within a network and between interconnected network...
    Rule Medium Severity
    Show

  • SRG-NET-000019-ALG-000019

    <GroupDescription></GroupDescription>
    Group
    Show

  • The ALG must immediately use updates made to policy enforcement mechanisms such as policy filters, rules, signatures, and analysis algorithms for gateway and/or intermediary functions.

    &lt;VulnDiscussion&gt;Information flow policies regarding dynamic information flow control include, for example, allowing or disallowing informatio...
    Rule Medium Severity
    Show

  • SRG-NET-000019-ALG-000021

    <GroupDescription></GroupDescription>
    Group
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  • The ALG that is part of a CDS must apply information flow control to data transferred between security domains by means of a policy filter which consists of a set of hardware and/or software.

    &lt;VulnDiscussion&gt;Information flow control regulates where information is allowed to travel within a network and between interconnected network...
    Rule Medium Severity
    Show

  • SRG-NET-000041-ALG-000022

    <GroupDescription></GroupDescription>
    Group
    Show

  • The ALG providing user access control intermediary services must display the Standard Mandatory DoD-approved Notice and Consent Banner before granting access to the network.

    &lt;VulnDiscussion&gt;Display of a standardized and approved use notification before granting access to the network ensures privacy and security no...
    Rule Medium Severity
    Show

  • SRG-NET-000042-ALG-000023

    <GroupDescription></GroupDescription>
    Group
    Show

  • The ALG providing user access control intermediary services must retain the Standard Mandatory DoD-approved Notice and Consent Banner on the screen until users acknowledge the usage conditions and take explicit actions to log on for further access.

    &lt;VulnDiscussion&gt;The banner must be acknowledged by the user prior to allowing the user access to the network. This provides assurance that th...
    Rule Medium Severity
    Show

  • SRG-NET-000043-ALG-000024

    <GroupDescription></GroupDescription>
    Group
    Show

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