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Application Layer Gateway Security Requirements Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-NET-000042

    <GroupDescription></GroupDescription>
    Group
  • 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
  • SRG-NET-000043

    <GroupDescription></GroupDescription>
    Group
  • The ALG providing user access control intermediary services for publicly accessible applications must display the Standard Mandatory DoD-approved Notice and Consent Banner before granting access to the system.

    &lt;VulnDiscussion&gt;Display of a standardized and approved use notification before granting access to the publicly accessible network element ens...
    Rule Medium Severity
  • SRG-NET-000053

    <GroupDescription></GroupDescription>
    Group
  • The ALG providing user access control intermediary services must limit the number of concurrent sessions to an organization-defined number for all accounts and/or account types.

    &lt;VulnDiscussion&gt;Network element management includes the ability to control the number of users and user sessions that utilize a network eleme...
    Rule Medium Severity
  • SRG-NET-000061

    <GroupDescription></GroupDescription>
    Group
  • The ALG providing intermediary services for remote access communications traffic must ensure inbound and outbound traffic is monitored for compliance with remote access security policies.

    &lt;VulnDiscussion&gt;Automated monitoring of remote access traffic allows organizations to detect cyber attacks and also ensure ongoing compliance...
    Rule Medium Severity
  • SRG-NET-000062

    <GroupDescription></GroupDescription>
    Group
  • The ALG providing intermediary services for remote access communications traffic must use encryption services that implement NIST FIPS-validated cryptography to protect the confidentiality of remote access sessions.

    &lt;VulnDiscussion&gt;Without confidentiality protection mechanisms, unauthorized individuals may gain access to sensitive information via a remote...
    Rule Medium Severity
  • SRG-NET-000062

    <GroupDescription></GroupDescription>
    Group
  • The ALG that stores secret or private keys must use FIPS-approved key management technology and processes in the production and control of private/secret cryptographic keys.

    &lt;VulnDiscussion&gt;Private key data is used to prove that the entity presenting a public key certificate is the certificate's rightful owner. Co...
    Rule Medium Severity
  • SRG-NET-000062

    <GroupDescription></GroupDescription>
    Group
  • The ALG that provides intermediary services for TLS must be configured to comply with the required TLS settings in NIST SP 800-52.

    &lt;VulnDiscussion&gt;SP 800-52 provides guidance on using the most secure version and configuration of the TLS/SSL protocol. Using older unauthori...
    Rule Medium Severity
  • SRG-NET-000063

    <GroupDescription></GroupDescription>
    Group
  • The ALG providing intermediary services for remote access communications traffic must use NIST FIPS-validated cryptography to protect the integrity of remote access sessions.

    &lt;VulnDiscussion&gt;Without cryptographic integrity protections, information can be altered by unauthorized users without detection. Remote acce...
    Rule Medium Severity
  • SRG-NET-000074

    <GroupDescription></GroupDescription>
    Group
  • The ALG must produce audit records containing information to establish what type of events occurred.

    &lt;VulnDiscussion&gt;Without establishing what type of event occurred, it would be difficult to establish, correlate, and investigate the events l...
    Rule Medium Severity
  • SRG-NET-000075

    <GroupDescription></GroupDescription>
    Group
  • The ALG must produce audit records containing information to establish when (date and time) the events occurred.

    &lt;VulnDiscussion&gt;Without establishing when events occurred, it is impossible to establish, correlate, and investigate the events leading up to...
    Rule Medium Severity

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