MS Exchange 2010 Edge Transport Server STIG
Rules, Groups, and Values defined within the XCCDF Benchmark
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Send Connectors must be clearly named.
For send connectors, unclear naming as to direction and purpose increases risk that messages may not flow as intended, troubleshooting efforts may be impaired, or incorrect assumptions may be made ...Rule Low Severity -
Exch-2-754
Group -
Exch-2-757
Group -
Message size restrictions must be controlled on Send connectors.
Email system availability depends in part on best practices strategies for setting tuning configurations. For message size restrictions, multiple places exist to set or override inbound or outbound...Rule Low Severity -
Exch-2-760
Group -
Send Connector connections count must be limited.
This setting controls the maximum number of simultaneous outbound connections allowed for a given SMTP Connector, and can be used to throttle the SMTP service if resource constraints warrant it. I...Rule Low Severity -
Exch-2-763
Group -
Exch-2-766
Group -
Exch-2-771
Group -
Internet facing send Connectors must specify a Smart Host.
In the case of identifying a 'Smart Host' for the email environment, a logical send connector is the preferred method. A 'Smart Host' acts as an Internet Facing Concentrator for other email serve...Rule Medium Severity -
Exch-2-801
Group -
Connectivity logging must be enabled.
A connectivity log is a record of the SMTP connection activity of the outbound message delivery queues to the destination Mailbox server, smart host, or domain. Connectivity logging is available on...Rule Medium Severity -
Exch-2-817
Group -
Exch-2-820
Group -
Exch-2-826
Group -
Audit data must be protected against unauthorized access.
Log files help establish a history of activities, and can be useful in detecting attack attempts or determining tuning adjustments to improve availability. Audit log content must always be consid...Rule Medium Severity -
Exch-2-828
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 leas...Rule Medium Severity -
Exch-2-831
Group -
Exchange must not send Customer Experience reports to Microsoft.
Log files help establish a history of activities, and can be useful in detecting attack attempts or determining tuning adjustments to improve availability. This setting enables an automated entry t...Rule Medium Severity -
Exch-2-839
Group -
Audit data must be on separate partitions.
Log files help establish a history of activities, and can be useful in detecting attack attempts or determining tuning adjustments to improve availability. Audit log content must always be consid...Rule Medium Severity -
Exch-2-842
Group -
Exch-3-003
Group -
Exch-3-006
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 -
Exch-2-005
Group -
Accepted domains must be configured.
Exchange may be configured to accept email for multiple domain names. This setting identifies the domains for which the server will accept mail. This check verifies the email server is not acceptin...Rule Medium Severity -
Exch-3-804
Group -
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...Rule Medium Severity -
Exch-3-807
Group -
Exch-2-014
Group -
Servers must use approved DoD certificates.
Server certificates are required for many security features in Exchange; without them the server cannot engage in many forms of secure communication. Failure to implement valid certificates makes ...Rule Medium Severity -
Exch-2-015
Group -
Exch-3-814
Group -
The current, approved service pack must be installed.
Failure to install the most current Exchange service pack leaves a system vulnerable to exploitation. Current service packs correct known security and system vulnerabilities.Rule Medium Severity -
Exch-2-333
Group -
Messages with malformed from address must be rejected.
Sender Identification (SID) is an email anti-spam sanitization process. Sender ID uses DNS MX record lookups to verify the SMTP sending server is authorized to send email for the originating domai...Rule Medium Severity -
Exch-2-019
Group -
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, unanti...Rule Medium Severity -
Exch-2-330
Group -
Exch-2-200
Group -
SMTP automated banner response must not reveal server details.
Automated connection responses occur as a result of FTP or Telnet connections, when connecting to those services. They report a successful connection by greeting the connecting client, stating the ...Rule Medium Severity -
Exch-2-201
Group -
Outbound Connection Limit per Domain Count must be controlled.
Email system availability depends in part on best practices strategies for setting tuning configurations. This configuration controls the maximum number of simultaneous outbound connections from a ...Rule Low Severity -
Exch-2-327
Group -
SPAM evaluation filter must be enabled.
By performing filtering at the perimeter, up to 90% of SPAM, malware, and other undesirable messages may be eliminated from the transport message stream, preventing their entry into the Exchange en...Rule Medium Severity -
Exch-2-302
Group -
Filtered messages must be archived.
By performing filtering at the perimeter, up to 90% of SPAM, malware, and other undesirable messages are eliminated from the message stream rather than admitting them into the mail server environme...Rule Medium Severity -
Exch-2-324
Group
Node 2
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