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Microsoft Exchange 2019 Edge Server Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-APP-000120

    <GroupDescription></GroupDescription>
    Group
  • Exchange audit data must be protected against unauthorized access for deletion.

    &lt;VulnDiscussion&gt;Log files help establish a history of activities and can be useful in detecting attack attempts or determining tuning adjustm...
    Rule Medium Severity
  • SRG-APP-000125

    <GroupDescription></GroupDescription>
    Group
  • Exchange audit data must be on separate partitions.

    &lt;VulnDiscussion&gt;Log files help establish a history of activities and can be useful in detecting attack attempts or determining tuning adjustm...
    Rule Medium Severity
  • SRG-APP-000131

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

    &lt;VulnDiscussion&gt;Scripts often provide a way for attackers to infiltrate a system, especially scripts downloaded from untrusted locations. By ...
    Rule Medium Severity
  • SRG-APP-000141

    <GroupDescription></GroupDescription>
    Group
  • Exchange must not send customer experience reports to Microsoft.

    &lt;VulnDiscussion&gt;It is detrimental for applications to provide, or install by default, functionality exceeding requirements or mission objecti...
    Rule Medium Severity
  • SRG-APP-000141

    <GroupDescription></GroupDescription>
    Group
  • Exchange Send Fatal Errors to Microsoft must be disabled.

    &lt;VulnDiscussion&gt;It is detrimental for applications to provide, or install by default, functionality exceeding requirements or mission objecti...
    Rule Medium Severity
  • SRG-APP-000211

    <GroupDescription></GroupDescription>
    Group
  • Exchange queue database must reside on a dedicated partition.

    &lt;VulnDiscussion&gt;In the same way that added security layers can provide a cumulative positive effect on security posture, multiple application...
    Rule Medium Severity
  • SRG-APP-000213

    <GroupDescription></GroupDescription>
    Group
  • Exchange internet-facing send connectors must specify a Smart Host.

    &lt;VulnDiscussion&gt;When identifying a "Smart Host" for the email environment, a logical send connector is the preferred method. A Smart Host ac...
    Rule Medium Severity
  • SRG-APP-000219

    <GroupDescription></GroupDescription>
    Group
  • Exchange internal send connectors must use domain security (mutual authentication Transport Layer Security).

    &lt;VulnDiscussion&gt;The Simple Mail Transfer Protocol (SMTP) connector is used by Exchange to send and receive messages from server to server. Se...
    Rule Medium Severity
  • SRG-APP-000219

    <GroupDescription></GroupDescription>
    Group
  • Exchange internet-facing receive connectors must offer Transport Layer Security (TLS) before using basic authentication.

    &lt;VulnDiscussion&gt;Sending unencrypted email over the internet increases the risk that messages can be intercepted or altered. TLS is designed t...
    Rule Medium Severity
  • SRG-APP-000246

    <GroupDescription></GroupDescription>
    Group
  • More than one Edge server must be deployed.

    &lt;VulnDiscussion&gt;To ensure hostile insiders are unable to easily commit DoS attacks and reduce the effectiveness of mail flow throughout the e...
    Rule Medium Severity

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