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III - Administrative Public

Rules and Groups employed by this XCCDF Profile

  • SRG-APP-000231

    <GroupDescription></GroupDescription>
    Group
  • The Exchange Public Folder database must not be overwritten by a restore.

    &lt;VulnDiscussion&gt;Email system availability depends in part on best practice strategies for setting tuning configurations. Unauthorized or acci...
    Rule Low Severity
  • SRG-APP-000231

    <GroupDescription></GroupDescription>
    Group
  • Exchange Mailboxes must be retained until backups are complete.

    &lt;VulnDiscussion&gt;Backup and recovery procedures are an important part of overall system availability and integrity. Complete backups reduce th...
    Rule Medium Severity
  • SRG-APP-000231

    <GroupDescription></GroupDescription>
    Group
  • The Exchange Mailbox database must not be overwritten by a restore.

    &lt;VulnDiscussion&gt;Email system availability depends in part on best practice strategies for setting tuning configurations. Unauthorized or acci...
    Rule Low Severity
  • SRG-APP-000231

    <GroupDescription></GroupDescription>
    Group
  • Exchange email forwarding must be restricted.

    &lt;VulnDiscussion&gt;Auto-forwarded email accounts do not meet the requirement for digital signature and encryption of CUI and PII IAW DoDI 8520.2...
    Rule Medium Severity
  • SRG-APP-000231

    <GroupDescription></GroupDescription>
    Group
  • Exchange email-forwarding SMTP domains must be restricted.

    &lt;VulnDiscussion&gt;Auto-forwarded email accounts do not meet the requirement for digital signature and encryption of CUI and PII IAW DoDI 8520.2...
    Rule Medium Severity
  • SRG-APP-000246

    <GroupDescription></GroupDescription>
    Group
  • Exchange Mail quota settings must not restrict receiving mail.

    &lt;VulnDiscussion&gt;Mail quota settings control the maximum sizes of a user’s mailbox and the system’s response if these limits are exceeded. Mai...
    Rule Low Severity
  • SRG-APP-000246

    <GroupDescription></GroupDescription>
    Group
  • Exchange Mail Quota settings must not restrict receiving mail.

    &lt;VulnDiscussion&gt;Mail quota settings control the maximum sizes of a user’s mailbox and the system’s response if these limits are exceeded. Mai...
    Rule Low Severity
  • SRG-APP-000246

    <GroupDescription></GroupDescription>
    Group
  • The Exchange Mail Store storage quota must issue a warning.

    &lt;VulnDiscussion&gt;Mail quota settings control the maximum sizes of a user’s mailbox and the system’s response if these limits are exceeded. Mai...
    Rule Low Severity
  • SRG-APP-000246

    <GroupDescription></GroupDescription>
    Group
  • Exchange Mailbox Stores must mount at startup.

    &lt;VulnDiscussion&gt;Administrator responsibilities include the ability to react to unplanned maintenance tasks or emergency situations that may r...
    Rule Low Severity
  • 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 practice strategies for setting tuning configurations. For message size res...
    Rule Low Severity
  • SRG-APP-000247

    <GroupDescription></GroupDescription>
    Group
  • Exchange Receive connectors must control the number of recipients per message.

    &lt;VulnDiscussion&gt;Email system availability depends in part on best practice strategies for setting tuning configurations. This configuration...
    Rule Low Severity
  • SRG-APP-000247

    <GroupDescription></GroupDescription>
    Group
  • Exchange Receive connectors must be clearly named.

    &lt;VulnDiscussion&gt;For Receive connectors, unclear naming as to direction and purpose increases risk that messages may not flow as intended, tro...
    Rule Low Severity
  • SRG-APP-000247

    <GroupDescription></GroupDescription>
    Group
  • The Exchange Receive Connector Maximum Hop Count must be 60.

    &lt;VulnDiscussion&gt;Email system availability depends in part on best practice strategies for setting tuning configurations. This setting control...
    Rule Low Severity
  • SRG-APP-000247

    <GroupDescription></GroupDescription>
    Group
  • Exchange Send connectors must be clearly named.

    &lt;VulnDiscussion&gt;For Send connectors, unclear naming as to direction and purpose increases risk that messages may not flow as intended, troubl...
    Rule Low Severity
  • SRG-APP-000247

    <GroupDescription></GroupDescription>
    Group
  • Exchange Send connectors delivery retries must be controlled.

    &lt;VulnDiscussion&gt;This setting controls the rate at which delivery attempts from the home domain are retried and user notifications are issued ...
    Rule Low Severity
  • SRG-APP-000247

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

    &lt;VulnDiscussion&gt;Email system availability depends in part on best practice strategies for setting tuning configurations. For message size res...
    Rule Low Severity
  • SRG-APP-000247

    <GroupDescription></GroupDescription>
    Group
  • The Exchange Send connector connections count must be limited.

    &lt;VulnDiscussion&gt;The Exchange Send connector setting controls the maximum number of simultaneous outbound connections allowed for a given SMTP...
    Rule Low Severity
  • SRG-APP-000247

    <GroupDescription></GroupDescription>
    Group
  • The Exchange global inbound message size must be controlled.

    &lt;VulnDiscussion&gt;Email system availability depends in part on best practice strategies for setting tuning configurations. Message size limits ...
    Rule Low Severity
  • SRG-APP-000247

    <GroupDescription></GroupDescription>
    Group
  • The Exchange global outbound message size must be controlled.

    &lt;VulnDiscussion&gt;Email system availability depends in part on best practice strategies for setting tuning configurations. Message size limits ...
    Rule Low Severity
  • SRG-APP-000247

    <GroupDescription></GroupDescription>
    Group
  • The Exchange Outbound Connection Limit per Domain Count must be controlled.

    &lt;VulnDiscussion&gt;Email system availability depends in part on best practice strategies for setting tuning configurations. This configuration c...
    Rule Low Severity
  • SRG-APP-000247

    <GroupDescription></GroupDescription>
    Group
  • The Exchange Outbound Connection Timeout must be 10 minutes or less.

    &lt;VulnDiscussion&gt;Email system availability depends in part on best practice strategies for setting tuning configurations. This configuration c...
    Rule Low 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 external/Internet-bound automated response messages must be disabled.

    &lt;VulnDiscussion&gt;Spam originators, in an effort to refine mailing lists, sometimes monitor transmissions for automated bounce-back messages. A...
    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

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