III - Administrative Classified
Rules and Groups employed by this XCCDF Profile
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SRG-APP-000167-NDM-000255
Group -
The F5 BIG-IP appliance must enforce password complexity by requiring that at least one lowercase character be used.
Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, or strength, is a measure of the effectiveness of a password in resistin...Rule Medium Severity -
SRG-APP-000168-NDM-000256
Group -
The F5 BIG-IP appliance must enforce password complexity by requiring that at least one numeric character be used.
Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, or strength, is a measure of the effectiveness of a password in resistin...Rule Medium Severity -
SRG-APP-000169-NDM-000257
Group -
The F5 BIG-IP appliance must enforce password complexity by requiring that at least one special character be used.
Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, or strength, is a measure of the effectiveness of a password in resistin...Rule Medium Severity -
SRG-APP-000170-NDM-000329
Group -
The F5 BIG-IP appliance must require that when a password is changed, the characters are changed in at least eight of the positions within the password.
If the application allows the user to consecutively reuse extensive portions of passwords, this increases the chances of password compromise by increasing the window of opportunity for attempts at ...Rule Medium Severity -
SRG-APP-000400-NDM-000313
Group -
The F5 BIG-IP appliance must prohibit the use of cached authenticators after eight hours or less.
Some authentication implementations can be configured to use cached authenticators. If cached authentication information is out-of-date, the validity of the authentication information may be quest...Rule Medium Severity -
SRG-APP-000175-NDM-000262
Group -
The F5 BIG-IP appliance must be configured to use DOD approved OCSP responders or CRLs to validate certificates used for PKI-based authentication.
Once issued by a DOD certificate authority (CA), public key infrastructure (PKI) certificates are typically valid for three years or shorter within the DOD. However, there are many reasons a certif...Rule High Severity -
SRG-APP-000190-NDM-000267
Group -
The F5 BIG-IP appliance must set the idle time before automatic logout to five minutes of inactivity except to fulfill documented and validated mission requirements.
Terminating an idle session within a short time period reduces the window of opportunity for unauthorized personnel to take control of a management session enabled on the console or console port th...Rule High Severity -
SRG-APP-000516-NDM-000341
Group -
The F5 BIG-IP appliance must conduct backups of the configuration at a weekly or organization-defined frequency and store on a separate device.
Information system backup is a critical step in maintaining data assurance and availability. Information system and security-related documentation contains information pertaining to system configur...Rule Medium Severity -
SRG-APP-000069-NDM-000216
Group -
The F5 BIG-IP appliance must be configured to display the Standard Mandatory DOD Notice and Consent Banner when accessing via SSH.
Display of the DOD-approved use notification before granting access to the network device ensures privacy and security notification verbiage used is consistent with applicable federal laws, Executi...Rule Medium Severity -
SRG-APP-000435-NDM-000315
Group -
The F5 BIG-IP appliance must be configured to restrict a consistent inbound IP for the entire management session.
This security measure helps limit the effects of denial-of-service (DoS) attacks by employing anti-session hijacking security safeguards. Session hijacking, also called cookie hijacking, is the exp...Rule Medium Severity
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