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II - Mission Support Classified

Rules and Groups employed by this XCCDF Profile

  • SRG-APP-000141

    Group
  • Exchange must have the Microsoft Active Sync directory removed.

    To reduce the vectors through which a server can be attacked, unneeded application components should be disabled or removed. By default, a virtual directory is installed for Active Sync, and the Ex...
    Rule Low Severity
  • SRG-APP-000378

    Group
  • Exchange application directory must be protected from unauthorized access.

    Default product installations may provide more generous access permissions than are necessary to run the application. By examining and tailoring access permissions to more closely provide the least...
    Rule Medium Severity
  • SRG-APP-000380

    Group
  • Exchange software baseline copy must exist.

    Exchange software, as with other application software installed on a host system, must be included in a system baseline record and periodically reviewed; otherwise, unauthorized changes to the soft...
    Rule Medium Severity
  • SRG-APP-000381

    Group
  • Exchange software must be monitored for unauthorized changes.

    Monitoring software files for changes against a baseline on a regular basis may help detect the possible introduction of malicious code on a system.
    Rule Medium Severity
  • SRG-APP-000383

    Group
  • Exchange services must be documented and unnecessary services must be removed or disabled.

    Unneeded but running services offer attackers an enhanced attack profile, and attackers are constantly watching to discover open ports with running services. By analyzing and disabling unneeded ser...
    Rule Medium Severity
  • SRG-APP-000391

    Group
  • Exchange Outlook Anywhere (OA) clients must use NTLM authentication to access email.

    Identification and authentication provide the foundation for access control. Access to email services applications requires NTLM authentication. Outlook Anywhere, if authorized for use by the site,...
    Rule Medium Severity
  • SRG-APP-000431

    Group
  • Exchange software must be installed on a separate partition from the OS.

    In the same way that added security layers can provide a cumulative positive effect on security posture, multiple applications can provide a cumulative negative effect. A vulnerability and subseque...
    Rule Medium Severity
  • SRG-APP-000435

    Group
  • Exchange must provide redundancy.

    Load balancing is a way to manage which Exchange servers receive traffic. Load balancing helps distribute incoming client connections over a variety of endpoints. This ensures that no one endpoint ...
    Rule Medium Severity
  • SRG-APP-000439

    Group
  • Exchange OWA must use https.

    Without protection of the transmitted information, confidentiality and integrity may be compromised since unprotected communications can be intercepted and either read or altered.
    Rule High Severity
  • SRG-APP-000440

    Group
  • Exchange OWA must have S/MIME Certificates enabled.

    Without protection of the transmitted information, confidentiality and integrity may be compromised since unprotected communications can be intercepted and either read or altered. This requiremen...
    Rule Medium Severity

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