F5 BIG-IP Device Management Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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SRG-APP-000068-NDM-000215
<GroupDescription></GroupDescription>Group -
The BIG-IP appliance must be configured to display the Standard Mandatory DoD Notice and Consent Banner before granting access to the device.
<VulnDiscussion>Display of the DoD-approved use notification before granting access to the network device ensures privacy and security notifi...Rule Low Severity -
SRG-APP-000080-NDM-000220
<GroupDescription></GroupDescription>Group -
The BIG-IP appliance must be configured to protect against an individual (or process acting on behalf of an individual) falsely denying having performed system configuration changes.
<VulnDiscussion>This requirement supports non-repudiation of actions taken by an administrator and is required in order to maintain the integ...Rule Medium Severity -
SRG-APP-000119-NDM-000236
<GroupDescription></GroupDescription>Group -
If multifactor authentication is not supported and passwords must be used, the BIG-IP appliance must enforce password complexity by requiring that at least one special character be used.
<VulnDiscussion>Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, ...Rule Medium Severity -
SRG-APP-000170-NDM-000329
<GroupDescription></GroupDescription>Group -
The BIG-IP appliance must be configured to protect audit information from unauthorized modification.
<VulnDiscussion>Audit information includes all information (e.g., audit records, audit settings, and audit reports) needed to successfully au...Rule Medium Severity -
SRG-APP-000120-NDM-000237
<GroupDescription></GroupDescription>Group -
The BIG-IP appliance must be configured to protect audit information from unauthorized deletion.
<VulnDiscussion>Audit information includes all information (e.g., audit records, audit settings, and audit reports) needed to successfully au...Rule Medium Severity -
SRG-APP-000121-NDM-000238
<GroupDescription></GroupDescription>Group -
The BIG-IP appliance must be configured to protect audit tools from unauthorized access.
<VulnDiscussion>Protecting audit data also includes identifying and protecting the tools used to view and manipulate log data. Therefore, pro...Rule Medium Severity -
SRG-APP-000142-NDM-000245
<GroupDescription></GroupDescription>Group -
The BIG-IP appliance must be configured to prohibit the use of all unnecessary and/or nonsecure functions, ports, protocols, and/or services, as defined in the Ports, Protocols, and Services Management (PPSM) Category Assurance List (CAL) and vulnerability assessments.
<VulnDiscussion>In order to prevent unauthorized connection of devices, unauthorized transfer of information, or unauthorized tunneling (i.e....Rule Medium Severity -
SRG-APP-000153-NDM-000249
<GroupDescription></GroupDescription>Group -
The BIG-IP appliance must be configured to ensure administrators are authenticated with an individual authenticator prior to using a group authenticator.
<VulnDiscussion>To assure individual accountability and prevent unauthorized access, administrators must be individually identified and authe...Rule Medium Severity -
SRG-APP-000164-NDM-000252
<GroupDescription></GroupDescription>Group -
The BIG-IP appliance must be configured to enforce a minimum 15-character password length.
<VulnDiscussion>Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute...Rule Medium Severity -
SRG-APP-000166-NDM-000254
<GroupDescription></GroupDescription>Group -
If multifactor authentication is not supported and passwords must be used, the BIG-IP appliance must enforce password complexity by requiring that at least one upper-case character be used.
<VulnDiscussion>Use of a complex passwords helps to increase the time and resources required to compromise the password. Password complexity,...Rule Medium Severity -
SRG-APP-000167-NDM-000255
<GroupDescription></GroupDescription>Group -
If multifactor authentication is not supported and passwords must be used, the BIG-IP appliance must enforce password complexity by requiring that at least one lower-case character be used.
<VulnDiscussion>Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, ...Rule Medium Severity -
SRG-APP-000168-NDM-000256
<GroupDescription></GroupDescription>Group -
If multifactor authentication is not supported and passwords must be used, the BIG-IP appliance must enforce password complexity by requiring that at least one numeric character be used.
<VulnDiscussion>Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, ...Rule Medium Severity -
SRG-APP-000169-NDM-000257
<GroupDescription></GroupDescription>Group -
The BIG-IP appliance must be configured to enforce organization-defined role-based access control policies over defined subjects and objects.
<VulnDiscussion>Organizations can create specific roles based on job functions and the authorizations (i.e., privileges) to perform needed op...Rule Medium Severity -
SRG-APP-000357-NDM-000293
<GroupDescription></GroupDescription>Group -
The BIG-IP appliance must be configured to allocate audit record storage capacity in accordance with organization-defined audit record storage requirements.
<VulnDiscussion>In order to ensure network devices have a sufficient storage capacity in which to write the audit logs, they need to be able ...Rule Medium Severity -
SRG-APP-000373-NDM-000298
<GroupDescription></GroupDescription>Group -
The BIG-IP appliance must be configured to synchronize internal information system clocks with the primary and secondary time sources located in different geographic regions using redundant authoritative time sources.
<VulnDiscussion>The loss of connectivity to a particular authoritative time source will result in the loss of time synchronization (free-run ...Rule Medium Severity -
SRG-APP-000380-NDM-000304
<GroupDescription></GroupDescription>Group -
The BIG-IP appliance must be configured to enforce access restrictions associated with changes to device configuration.
<VulnDiscussion>Failure to provide logical access restrictions associated with changes to device configuration may have significant effects o...Rule Medium Severity -
SRG-APP-000381-NDM-000305
<GroupDescription></GroupDescription>Group -
The BIG-IP appliance must be configured to protect against or limit the effects of all known types of Denial of Service (DoS) attacks on the BIG-IP appliance management network by limiting the number of concurrent sessions.
<VulnDiscussion>DoS is a condition when a resource is not available for legitimate users. When this occurs, the organization either cannot ac...Rule High Severity -
SRG-APP-000515-NDM-000325
<GroupDescription></GroupDescription>Group -
The BIG-IP appliance must be configured to off-load audit records onto a different system or media than the system being audited.
<VulnDiscussion>Information stored in one location is vulnerable to accidental or incidental deletion or alteration. Off-loading is a common...Rule Medium Severity -
SRG-APP-000516-NDM-000317
<GroupDescription></GroupDescription>Group -
The BIG-IP appliance must be configured in accordance with the security configuration settings based on DoD security configuration or implementation guidance, including STIGs, NSA configuration guides, CTOs, and DTMs.
<VulnDiscussion>Configuring the network device to implement organization-wide security implementation guides and security checklists ensures ...Rule Medium Severity -
SRG-APP-000516-NDM-000336
<GroupDescription></GroupDescription>Group -
The BIG-IP appliance must be configured to employ automated mechanisms to centrally manage authentication settings.
<VulnDiscussion>The use of authentication servers or other centralized management servers for providing centralized authentication services i...Rule Medium Severity -
SRG-APP-000516-NDM-000340
<GroupDescription></GroupDescription>Group -
The BIG-IP appliance must create backups of system-level information contained in the information system when changes occur or weekly, whichever is sooner.
<VulnDiscussion>System-level information includes default and customized settings and security attributes, including ACLs that relate to the ...Rule Low Severity -
The BIG-IP appliance must be configured to create backups of information system documentation, including security-related documentation, when changes occur or weekly, whichever is sooner.
<VulnDiscussion>Information system backup is a critical step in maintaining data assurance and availability. Information system and security-...Rule Medium Severity -
SRG-APP-000516-NDM-000344
<GroupDescription></GroupDescription>Group -
The BIG-IP appliance must be configured to obtain its public key certificates from an appropriate certificate policy through a DoD-approved service provider.
<VulnDiscussion>For user certificates, each organization obtains certificates from an approved, shared service provider, as required by OMB p...Rule Medium Severity -
SRG-APP-000142-NDM-000245
<GroupDescription></GroupDescription>Group -
The F5 BIG-IP must ensure SSH is disabled for root user logon to prevent remote access using the root account.
<VulnDiscussion>The F5 BIG-IP shell must be locked down to limit the ability to modify the configuration through the shell. Preventing attack...Rule Medium Severity -
SRG-APP-000516-NDM-000317
<GroupDescription></GroupDescription>Group -
The BIG-IP appliance must provide automated support for account management functions.
<VulnDiscussion>Account management functions include: assignment of group or role membership; identifying account type; specifying user acces...Rule Medium Severity -
SRG-APP-000516-NDM-000317
<GroupDescription></GroupDescription>Group
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