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II - Mission Support Public

Rules and Groups employed by this XCCDF Profile

  • SRG-APP-000261

    <GroupDescription></GroupDescription>
    Group
  • Exchange messages with a blank sender field must be filtered.

    &lt;VulnDiscussion&gt;By performing filtering at the perimeter, up to 90 percent of spam, malware, and other undesirable messages are eliminated fr...
    Rule Medium Severity
  • SRG-APP-000261

    <GroupDescription></GroupDescription>
    Group
  • Exchange filtered messages must be archived.

    &lt;VulnDiscussion&gt;By performing filtering at the perimeter, up to 90 percent of spam, malware, and other undesirable messages are eliminated fr...
    Rule Medium Severity
  • SRG-APP-000261

    <GroupDescription></GroupDescription>
    Group
  • The Exchange Sender filter must block unaccepted domains.

    &lt;VulnDiscussion&gt;Spam origination sites and other sources of suspected email-borne malware have the ability to corrupt, compromise, or otherwi...
    Rule Medium Severity
  • SRG-APP-000261

    <GroupDescription></GroupDescription>
    Group
  • Exchange nonexistent recipients must not be blocked.

    &lt;VulnDiscussion&gt;Spam originators, in an effort to refine mailing lists, sometimes use a technique where they first create fictitious names an...
    Rule Medium Severity
  • SRG-APP-000261

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

    &lt;VulnDiscussion&gt;By performing filtering at the perimeter, up to 90 percent of spam, malware, and other undesirable messages are eliminated fr...
    Rule Medium Severity

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