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MS Exchange 2013 Edge Transport Server Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Exchange must have antispam filtering installed.

    Originators of spam messages are constantly changing their techniques in order to defeat spam countermeasures; therefore, spam software must be constantly updated to address the changing threat. Sp...
    Rule Medium Severity
  • SRG-APP-000261

    Group
  • SRG-APP-000261

    Group
  • SRG-APP-000261

    Group
  • Exchange Sender Identification Framework must be enabled.

    Email is only as secure as the recipient. When the recipient is an email server accepting inbound messages, authenticating the sender enables the receiver to better assess message quality and to va...
    Rule Medium Severity
  • SRG-APP-000378

    Group
  • The 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
  • The 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-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
  • SRG-APP-000435

    Group
  • Exchange must provide redundancy.

    Denial of Service (DoS) is a condition when a resource is not available for legitimate users. When this occurs, the organization either cannot accomplish its mission or must operate at degraded cap...
    Rule High Severity
  • SRG-APP-000435

    Group
  • SRG-APP-000439

    Group
  • Exchange internal Receive connectors must require encryption.

    The Simple Mail Transfer Protocol (SMTP) Receive connector is used by Exchange to send and receive messages from server to server using SMTP protocol. This setting controls the encryption strength ...
    Rule High Severity
  • SRG-APP-000439

    Group
  • SRG-APP-000456

    Group
  • Exchange must have the most current, approved service pack installed.

    The organization (including any contractor to the organization) must promptly install security-relevant software updates (e.g., patches, service packs, hot fixes). Flaws discovered during security ...
    Rule Medium Severity
  • SRG-APP-000278

    Group
  • The applications built-in Malware Agent must be disabled.

    Malicious code protection mechanisms include, but are not limited, to, anti-virus and malware detection software. In order to minimize potential negative impact to the organization that can be caus...
    Rule Medium Severity
  • SRG-APP-000278

    Group
  • A DoD-approved third party Exchange-aware malicious code protection application must be implemented.

    Malicious code protection mechanisms include, but are not limited, to, anti-virus and malware detection software. In order to minimize potential negative impact to the organization that can be caus...
    Rule Medium Severity

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