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Application Layer Gateway Security Requirements Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • The ALG providing user authentication intermediary services must implement 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-000164

    <GroupDescription></GroupDescription>
    Group
  • The ALG that provides intermediary services for TLS must validate certificates used for TLS functions by performing RFC 5280-compliant certification path validation.

    &lt;VulnDiscussion&gt;A certificate's certification path is the path from the end entity certificate to a trusted root certification authority (CA)...
    Rule Medium Severity
  • SRG-NET-000166

    <GroupDescription></GroupDescription>
    Group
  • The ALG providing PKI-based user authentication intermediary services must map authenticated identities to the user account.

    &lt;VulnDiscussion&gt;Authorization for access to any network element requires an approved and assigned individual account identifier. To ensure on...
    Rule Medium Severity
  • SRG-NET-000169

    <GroupDescription></GroupDescription>
    Group
  • The ALG providing user authentication intermediary services must uniquely identify and authenticate non-organizational users (or processes acting on behalf of non-organizational users).

    &lt;VulnDiscussion&gt;Lack of authentication enables anyone to gain access to the network or possibly a network element that provides opportunity f...
    Rule Medium Severity
  • SRG-NET-000192

    <GroupDescription></GroupDescription>
    Group
  • The ALG must protect the authenticity of communications sessions.

    &lt;VulnDiscussion&gt;Authenticity protection provides protection against man-in-the-middle attacks/session hijacking and the insertion of false in...
    Rule Medium Severity
  • The ALG providing content filtering must block outbound traffic containing known and unknown DoS attacks to protect against the use of internal information systems to launch any Denial of Service (DoS) attacks against other networks or endpoints.

    &lt;VulnDiscussion&gt;DoS attacks can take multiple forms but have the common objective of overloading or blocking a network or host to deny or ser...
    Rule Medium Severity

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