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Microsoft Exchange 2019 Edge Server Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-APP-000261

    <GroupDescription></GroupDescription>
    Group
  • Exchange must have anti-spam filtering enabled.

    &lt;VulnDiscussion&gt;Originators of spam messages are constantly changing their techniques to defeat spam countermeasures; therefore, spam softwar...
    Rule Medium Severity
  • SRG-APP-000261

    <GroupDescription></GroupDescription>
    Group
  • Exchange must have anti-spam filtering configured.

    &lt;VulnDiscussion&gt;Originators of spam messages are constantly changing their techniques to defeat spam countermeasures; therefore, spam softwar...
    Rule Medium Severity
  • SRG-APP-000261

    <GroupDescription></GroupDescription>
    Group
  • Exchange Sender Identification Framework must be enabled.

    &lt;VulnDiscussion&gt;Email is only as secure as the recipient. When the recipient is an email server accepting inbound messages, authenticating th...
    Rule Medium Severity
  • SRG-APP-000295

    <GroupDescription></GroupDescription>
    Group
  • Exchange must limit the Receive connector timeout.

    &lt;VulnDiscussion&gt;Email system availability depends in part on best practices strategies for setting tuning. This configuration controls the nu...
    Rule Medium Severity
  • SRG-APP-000340

    <GroupDescription></GroupDescription>
    Group
  • Role-Based Access Control must be defined for privileged and nonprivileged users.

    &lt;VulnDiscussion&gt;Role Based Access Control (RBAC) is the permissions model used in Microsoft Exchange Server 2013, 2016, and 2019. With RBAC, ...
    Rule Medium Severity
  • SRG-APP-000378

    <GroupDescription></GroupDescription>
    Group
  • The Exchange application directory must be protected from unauthorized access.

    &lt;VulnDiscussion&gt;Default product installations may provide more generous access permissions than are necessary to run the application. By exam...
    Rule Medium Severity
  • SRG-APP-000380

    <GroupDescription></GroupDescription>
    Group
  • The Exchange software baseline copy must exist.

    &lt;VulnDiscussion&gt;Exchange software, as with other application software installed on a host system, must be included in a system baseline recor...
    Rule Medium Severity
  • SRG-APP-000381

    <GroupDescription></GroupDescription>
    Group
  • The Exchange local machine policy must require signed scripts.

    &lt;VulnDiscussion&gt;Scripts, especially those downloaded from untrusted locations, often provide a way for attackers to infiltrate a system. By s...
    Rule Medium Severity
  • SRG-APP-000383

    <GroupDescription></GroupDescription>
    Group
  • Exchange services must be documented, and unnecessary services must be removed or disabled.

    &lt;VulnDiscussion&gt;Unneeded but running services offer attackers an enhanced attack profile, and attackers are constantly watching to discover o...
    Rule Medium Severity
  • SRG-APP-000424

    <GroupDescription></GroupDescription>
    Group
  • The Exchange Edge server must point to a trusted list of DNS servers for external and internal resolution.

    &lt;VulnDiscussion&gt;To mitigate the risk of possible erroneous queries that may have been coopted by bad actors, the Exchange Edge server must us...
    Rule Medium Severity

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