MS Exchange 2013 Edge Transport Server Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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Exchange 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 -
SRG-APP-000247
Group -
SRG-APP-000247
Group -
Exchange Receive connectors must be clearly named.
For receive 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 ma...Rule Low Severity -
SRG-APP-000247
Group -
Exchange Receive connectors must control the number of recipients chunked on a single message.
Email system availability depends in part on best practice strategies for setting tuning configurations. For message size restrictions, multiple places exist to set or override inbound or outbound ...Rule Low Severity -
SRG-APP-000247
Group -
SRG-APP-000247
Group -
The Exchange Internet Receive connector connections count must be set to default.
Email system availability depends in part on best practice strategies for setting tuning configurations. This configuration controls the maximum number of simultaneous inbound connections allowed t...Rule Low Severity -
SRG-APP-000247
Group -
Exchange 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 -
SRG-APP-000261
Group -
Exchange messages with a blank sender field must be rejected.
By performing filtering at the perimeter, up to 90 percent of spam, malware, and other undesirable messages are eliminated from the message stream rather than admitting them into the mail server en...Rule Medium Severity -
SRG-APP-000261
Group -
Exchange messages with a blank sender field must be filtered.
By performing filtering at the perimeter, up to 90 percent of spam, malware, and other undesirable messages are eliminated from the message stream rather than admitting them into the mail server en...Rule Medium Severity -
SRG-APP-000261
Group -
SRG-APP-000261
Group -
Exchange nonexistent recipients must not be blocked.
Spam originators, in an effort to refine mailing lists, sometimes use a technique where they first create fictitious names and then monitor rejected emails for non-existent recipients. Those not re...Rule Medium Severity -
SRG-APP-000261
Group -
The Exchange Sender Reputation filter must be enabled.
By performing filtering at the perimeter, up to 90 percent of spam, malware, and other undesirable messages are eliminated from the message stream rather than admitting them into the mail server en...Rule Medium Severity
Node 2
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