I - Mission Critical Classified
Rules and Groups employed by this XCCDF Profile
-
Exch-2-336
<GroupDescription></GroupDescription>Group -
SMTP Sender Filter must be enabled.
<VulnDiscussion>Email system availability depends in part on best practices strategies for setting tuning configurations. Careful tuning redu...Rule Medium Severity -
Exch-2-339
<GroupDescription></GroupDescription>Group -
SMTP IP Allow List Connection Filter must be enabled.
<VulnDiscussion>Email system availability depends in part on best practices strategies for setting tuning configurations. Careful tuning redu...Rule Medium Severity -
Exch-2-342
<GroupDescription></GroupDescription>Group -
SMTP IP Allow List entries must be empty.
<VulnDiscussion>Email system availability depends in part on best practices strategies for setting tuning configurations. Careful tuning redu...Rule Medium Severity -
Exch-2-705
<GroupDescription></GroupDescription>Group -
Message size restrictions must be controlled on Receive connectors.
<VulnDiscussion>Email system availability depends in part on best practices strategies for setting tuning configurations. For message size re...Rule Low Severity -
Exch-2-708
<GroupDescription></GroupDescription>Group -
Internet Receive Connector connections count must be set to default.
<VulnDiscussion>Email system availability depends in part on best practices strategies for setting tuning configurations. This configuration ...Rule Low Severity -
Exch-2-710
<GroupDescription></GroupDescription>Group -
Receive Connector timeout must be limited.
<VulnDiscussion>Email system availability depends in part on best practices strategies for setting tuning. This configuration controls the ...Rule Low Severity -
Exch-2-715
<GroupDescription></GroupDescription>Group -
Internal Receive Connectors must not allow anonymous connections.
<VulnDiscussion>This control is used to limit the servers that may use this server as a relay. If a Simple Mail Transport Protocol (SMTP) se...Rule Medium Severity -
Exch-2-718
<GroupDescription></GroupDescription>Group -
Internal Receive Connectors must require encryption.
<VulnDiscussion>The Simple Mail Transfer Protocol (SMTP) Receive Connector is used by Exchange to send and receive messages from server to se...Rule Medium Severity -
Exch-2-721
<GroupDescription></GroupDescription>Group -
External Receive Connectors must be Domain Secure Enabled.
<VulnDiscussion>The Simple Mail Transfer Protocol (SMTP) connector is used by Exchange to send and receive messages from server to server. Th...Rule Medium Severity -
Exch-2-724
<GroupDescription></GroupDescription>Group -
Internet facing receive connectors must offer TLS before using basic authentication.
<VulnDiscussion>Sending unencrypted email over the Internet increases the risk that messages can be intercepted or altered. Transport Layer S...Rule Medium Severity -
Exch-2-727
<GroupDescription></GroupDescription>Group -
Receive Connectors must control the number of recipients per message.
<VulnDiscussion>Email system availability depends in part on best practices strategies for setting tuning configurations. This configuratio...Rule Low Severity -
Exch-2-730
<GroupDescription></GroupDescription>Group -
Receive Connectors must control the number of recipients chunked on a single message.
<VulnDiscussion>Email system availability depends in part on best practices strategies for setting tuning configurations. For message size re...Rule Low Severity -
Exch-2-733
<GroupDescription></GroupDescription>Group -
Receive Connectors must be clearly named.
<VulnDiscussion>For receive connectors, unclear naming as to direction and purpose increases risk that messages may not flow as intended, tro...Rule Low Severity -
Exch-2-736
<GroupDescription></GroupDescription>Group -
Auto-forwarding email to remote domains must be disabled or restricted.
<VulnDiscussion>Attackers can use automated messages to determine whether a user account is active, in the office, traveling, and so on. An a...Rule Medium Severity -
Exch-2-739
<GroupDescription></GroupDescription>Group -
Tarpitting interval must be set.
<VulnDiscussion>Tarpitting is the practice of artificially delaying server responses for specific SMTP communication patterns that indicate h...Rule Medium Severity -
Exch-2-741
<GroupDescription></GroupDescription>Group -
Receive Connector Maximum Hop Count must be 60.
<VulnDiscussion>Email system availability depends in part on best practices strategies for setting tuning configurations. This setting contro...Rule Low Severity -
Exch-2-743
<GroupDescription></GroupDescription>Group -
Recipient filter must be enabled.
<VulnDiscussion>Email system availability depends in part on best practices strategies for setting tuning configurations. Careful tuning redu...Rule Medium Severity -
Exch-2-751
<GroupDescription></GroupDescription>Group -
Send Connectors must be clearly named.
<VulnDiscussion>For send connectors, unclear naming as to direction and purpose increases risk that messages may not flow as intended, troubl...Rule Low Severity -
Exch-2-754
<GroupDescription></GroupDescription>Group -
Send Connectors delivery retries must be controlled.
<VulnDiscussion>This setting controls the rate at which delivery attempts from the home domain are retried, user notifications are issued, an...Rule Low Severity -
Exch-2-757
<GroupDescription></GroupDescription>Group -
Message size restrictions must be controlled on Send connectors.
<VulnDiscussion>Email system availability depends in part on best practices strategies for setting tuning configurations. For message size re...Rule Low Severity -
Exch-2-760
<GroupDescription></GroupDescription>Group -
Send Connector connections count must be limited.
<VulnDiscussion>This setting controls the maximum number of simultaneous outbound connections allowed for a given SMTP Connector, and can be ...Rule Low Severity -
Exch-2-763
<GroupDescription></GroupDescription>Group -
Internal Send Connectors must use Domain Security (Mutual Authentication TLS).
<VulnDiscussion>The Simple Mail Transfer Protocol (SMTP) connector is used by Exchange to send and receive messages from server to server. Th...Rule Medium Severity -
Exch-2-766
<GroupDescription></GroupDescription>Group -
Internal Send Connectors must require encryption.
<VulnDiscussion>The Simple Mail Transfer Protocol (SMTP) connector is used by Exchange to send and receive messages from server to server. Th...Rule Medium Severity -
Exch-2-771
<GroupDescription></GroupDescription>Group -
Internet facing send Connectors must specify a Smart Host.
<VulnDiscussion>In the case of identifying a 'Smart Host' for the email environment, a logical send connector is the preferred method. A 'S...Rule Medium Severity -
Exch-2-801
<GroupDescription></GroupDescription>Group -
Connectivity logging must be enabled.
<VulnDiscussion>A connectivity log is a record of the SMTP connection activity of the outbound message delivery queues to the destination Mai...Rule Medium Severity
Node 2
The content of the drawer really is up to you. It could have form fields, definition lists, text lists, labels, charts, progress bars, etc. Spacing recommendation is 24px margins. You can put tabs in here, and can also make the drawer scrollable.