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III - Administrative Public

Rules and Groups employed by this XCCDF Profile

  • SRG-APP-000247

    <GroupDescription></GroupDescription>
    Group
  • Exchange Message size restrictions must be controlled on receive connectors.

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

    <GroupDescription></GroupDescription>
    Group
  • Active hyperlinks in messages from non .mil domains must be rendered unclickable.

    &lt;VulnDiscussion&gt;Active hyperlinks within an email are susceptible to attacks of malicious software or malware. The hyperlink could lead to a ...
    Rule Medium Severity
  • SRG-APP-000261

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

    &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 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
  • SRG-APP-000261

    <GroupDescription></GroupDescription>
    Group
  • The Exchange Sender Reputation filter must identify the spam block level.

    &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 Attachment filtering must remove undesirable attachments by file type.

    &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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