Microsoft Exchange 2013 Client Access Server Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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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-000131
Group -
Exchange Local machine policy must require signed scripts.
Scripts often provide a way for attackers to infiltrate a system, especially those downloaded from untrusted locations. By setting machine policy to prevent unauthorized script executions, unantici...Rule Medium Severity -
SRG-APP-000141
Group -
Exchange IMAP4 service must be disabled.
The IMAP4 protocol is not approved for use within the DoD. It uses a clear text-based user name and password and does not support the DoD standard for PKI for email access. User name and password c...Rule Medium Severity -
SRG-APP-000141
Group -
Exchange POP3 service must be disabled.
The POP3 protocol is not approved for use within the DoD. It uses a clear text based user name and password and does not support the DoD standard for PKI for email access. User name and password co...Rule Medium Severity -
SRG-APP-000141
Group -
Exchange must have the Public Folder virtual directory removed if not in use by the site.
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 Public Folders. If an ...Rule Low Severity -
SRG-APP-000141
Group -
SRG-APP-000378
Group -
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 -
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
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