III - Administrative Classified
Rules and Groups employed by this XCCDF Profile
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SRG-APP-000261
Group -
Exchange must have anti-spam filtering enabled.
Originators of spam messages are constantly changing their techniques to defeat spam countermeasures; therefore, spam software must be constantly updated to address the changing threat. Spam protec...Rule Medium Severity -
SRG-APP-000261
Group -
Exchange must have anti-spam filtering configured.
Originators of spam messages are constantly changing their techniques to defeat spam countermeasures; therefore, spam software must be constantly updated to address the changing threat. A manual up...Rule Medium Severity -
SRG-APP-000261
Group -
Exchange 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 -
SRG-APP-000295
Group -
Exchange must limit the Receive connector timeout.
Email system availability depends in part on best practices strategies for setting tuning. This configuration controls the number of idle minutes before the connection is dropped. It works in conju...Rule Medium Severity -
SRG-APP-000340
Group -
Role-Based Access Control must be defined for privileged and nonprivileged users.
Role Based Access Control (RBAC) is the permissions model used in Microsoft Exchange Server 2013, 2016, and 2019. With RBAC, there is no need to modify and manage access control lists (ACLs), which...Rule Medium Severity -
SRG-APP-000378
Group -
The 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 provide the least amount of pr...Rule Medium Severity -
SRG-APP-000380
Group -
The 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-000381
Group -
The Exchange local machine policy must require signed scripts.
Scripts, especially those downloaded from untrusted locations, often provide a way for attackers to infiltrate a system. By setting machine policy to prevent unauthorized script executions, unantic...Rule Medium Severity -
SRG-APP-000383
Group -
Exchange 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 ser...Rule Medium Severity -
SRG-APP-000424
Group -
The Exchange Edge server must point to a trusted list of DNS servers for external and internal resolution.
To mitigate the risk of possible erroneous queries that may have been coopted by bad actors, the Exchange Edge server must use DNS servers that utilize DNSSEC to resolve external hosts and internal...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 -
The Exchange 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 and stating th...Rule Medium Severity -
SRG-APP-000435
Group -
Exchange internal Send connectors must use an authentication level.
The Simple Mail Transfer Protocol (SMTP) connector is used by Exchange to send and receive messages from server to server. Several controls work together to provide security between internal server...Rule Medium Severity -
SRG-APP-000439
Group -
Exchange must provide redundancy.
Denial of Service (DoS) is a condition when a resource is not available for legitimate users. When this occurs, the organization either cannot accomplish its mission or must operate at degraded cap...Rule High Severity -
SRG-APP-000439
Group -
Exchange 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 High Severity -
SRG-APP-000439
Group -
Exchange internal Send connectors must require encryption.
The Simple Mail Transfer Protocol (SMTP) connector is used by Exchange to send and receive messages from server to server. Several controls work together to provide security between internal server...Rule High Severity -
SRG-APP-000441
Group -
Exchange must render hyperlinks from email sources from non-.mil domains as unclickable.
Active hyperlinks within an email are susceptible to attacks of malicious software or malware. The hyperlink could lead to a malware infection or redirect the website to another fraudulent website ...Rule Medium Severity -
SRG-APP-000456
Group -
Exchange must have the most current, approved Cumulative Update (CU) installed.
The organization (including any contractor to the organization) must promptly install security-relevant software updates (e.g., patches, service packs, CUs, hot fixes). Flaws discovered during secu...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.