MS Exchange 2010 Edge Transport Server STIG
Rules, Groups, and Values defined within the XCCDF Benchmark
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Exch-2-736
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Exch-2-334
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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 -
Message size restrictions must be controlled on Receive 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 -
Internal Receive Connectors must not allow anonymous connections.
This control is used to limit the servers that may use this server as a relay. If a Simple Mail Transport Protocol (SMTP) sender does not have a direct connection to the Internet (for example, an ...Rule Medium Severity -
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 Medium Severity -
Auto-forwarding email to remote domains must be disabled or restricted.
Attackers can use automated messages to determine whether a user account is active, in the office, traveling, and so on. An attacker might use this information to conduct future attacks. Ensure Aut...Rule Medium Severity -
Tarpitting interval must be set.
Tarpitting is the practice of artificially delaying server responses for specific SMTP communication patterns that indicate high volumes of SPAM or other unwelcome messages. The intent of tarpittin...Rule Medium Severity -
Send Connectors delivery retries must be controlled.
This setting controls the rate at which delivery attempts from the home domain are retried, user notifications are issued, and notes the expiration time when the message will be discarded. If de...Rule Low Severity -
Internal Send Connectors must use Domain Security (Mutual Authentication TLS).
The Simple Mail Transfer Protocol (SMTP) connector is used by Exchange to send and receive messages from server to server. There are several controls that work together to provide security between ...Rule Medium Severity
Node 2
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