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II - Mission Support Public

Rules and Groups employed by this XCCDF Profile

  • SRG-APP-000261

    <GroupDescription></GroupDescription>
    Group
  • The Exchange Recipient filter must be enabled.

    &lt;VulnDiscussion&gt;Email system availability depends in part on best practice strategies for setting tuning configurations. Careful tuning reduc...
    Rule Medium Severity
  • SRG-APP-000261

    <GroupDescription></GroupDescription>
    Group
  • The Exchange tarpitting interval must be set.

    &lt;VulnDiscussion&gt;Tarpitting is the practice of artificially delaying server responses for specific Simple Mail Transfer Protocol (SMTP) commun...
    Rule Medium Severity
  • SRG-APP-000261

    <GroupDescription></GroupDescription>
    Group
  • Exchange internal Receive connectors must not allow anonymous connections.

    &lt;VulnDiscussion&gt;This control is used to limit the servers that may use this server as a relay. If a Simple Mail Transport Protocol (SMTP) sen...
    Rule Medium Severity
  • SRG-APP-000261

    <GroupDescription></GroupDescription>
    Group
  • Exchange Simple Mail Transfer Protocol (SMTP) IP Allow List entries must be empty.

    &lt;VulnDiscussion&gt;Email system availability depends in part on best practice strategies for setting tuning configurations. Careful tuning reduc...
    Rule Medium Severity
  • SRG-APP-000261

    <GroupDescription></GroupDescription>
    Group
  • The Exchange Simple Mail Transfer Protocol (SMTP) IP Allow List Connection filter must be enabled.

    &lt;VulnDiscussion&gt;Email system availability depends in part on best practice strategies for setting tuning configurations. Careful tuning reduc...
    Rule Medium Severity
  • SRG-APP-000261

    <GroupDescription></GroupDescription>
    Group
  • The Exchange Simple Mail Transfer Protocol (SMTP) Sender filter must be enabled.

    &lt;VulnDiscussion&gt;Email system availability depends in part on best practices strategies for setting tuning configurations. Careful tuning redu...
    Rule Medium Severity
  • SRG-APP-000261

    <GroupDescription></GroupDescription>
    Group
  • Exchange must have antispam filtering installed.

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

    <GroupDescription></GroupDescription>
    Group
  • Exchange must have antispam filtering enabled.

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

    <GroupDescription></GroupDescription>
    Group
  • Exchange must have antispam filtering configured.

    &lt;VulnDiscussion&gt;Originators of spam messages are constantly changing their techniques in order to defeat spam countermeasures; therefore, spa...
    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

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