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II - Mission Support Sensitive

Rules and Groups employed by this XCCDF Profile

  • Exchange internal send connectors must use domain security (mutual authentication Transport Layer Security).

    <VulnDiscussion>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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