Fortinet FortiGate Firewall NDM Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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The FortiGate device must be running an operating system release that is currently supported by the vendor.
<VulnDiscussion>Network devices running an unsupported operating system lack current security fixes required to mitigate the risks associated...Rule High Severity -
SRG-APP-000516-NDM-000334
<GroupDescription></GroupDescription>Group -
SRG-APP-000166-NDM-000254
<GroupDescription></GroupDescription>Group -
SRG-APP-000190-NDM-000267
<GroupDescription></GroupDescription>Group -
SRG-APP-000026-NDM-000208
<GroupDescription></GroupDescription>Group -
The FortiGate device must automatically audit account creation.
<VulnDiscussion>Upon gaining access to a network device, an attacker will often first attempt to create a persistent method of reestablishing...Rule Medium Severity -
SRG-APP-000027-NDM-000209
<GroupDescription></GroupDescription>Group -
The FortiGate device must automatically audit account modification.
<VulnDiscussion>Since the accounts in the network device are privileged or system-level accounts, account management is vital to the security...Rule Medium Severity -
SRG-APP-000029-NDM-000211
<GroupDescription></GroupDescription>Group -
The FortiGate device must automatically audit account removal actions.
<VulnDiscussion>Account management, as a whole, ensures access to the network device is being controlled in a secure manner by granting acces...Rule Medium Severity -
SRG-APP-000148-NDM-000346
<GroupDescription></GroupDescription>Group -
The FortiGate device must have only one local account to be used as the account of last resort in the event the authentication server is unavailable.
<VulnDiscussion>Authentication for administrative (privilege-level) access to the device is required at all times. An account can be created ...Rule Medium Severity -
SRG-APP-000038-NDM-000213
<GroupDescription></GroupDescription>Group -
The FortiGate device must allow full access to only those individuals or roles designated by the ISSM.
<VulnDiscussion>A mechanism to detect and prevent unauthorized communication flow must be configured or provided as part of the system design...Rule Medium Severity -
SRG-APP-000343-NDM-000289
<GroupDescription></GroupDescription>Group -
The FortiGate device must audit the execution of privileged functions.
<VulnDiscussion>Misuse of privileged functions, either intentionally or unintentionally by authorized users, or by unauthorized external enti...Rule Medium Severity -
SRG-APP-000065-NDM-000214
<GroupDescription></GroupDescription>Group -
The FortiGate device must enforce the limit of three consecutive invalid logon attempts, after which time it must lock out the user account from accessing the device for 15 minutes.
<VulnDiscussion>By limiting the number of failed login attempts, the risk of unauthorized system access via user password guessing, otherwise...Rule Medium Severity -
SRG-APP-000068-NDM-000215
<GroupDescription></GroupDescription>Group -
The FortiGate device must 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 Medium Severity -
SRG-APP-000069-NDM-000216
<GroupDescription></GroupDescription>Group -
The FortiGate device must retain the Standard Mandatory DoD Notice and Consent Banner on the screen until the administrator acknowledges the usage conditions and takes explicit actions to log on for further access.
<VulnDiscussion>The banner must be acknowledged by the administrator prior to the device allowing the administrator access to the network dev...Rule Medium Severity -
SRG-APP-000080-NDM-000220
<GroupDescription></GroupDescription>Group -
The FortiGate device must log all user activity.
<VulnDiscussion>This requirement supports non-repudiation of actions taken by an administrator and is required to maintain the integrity of t...Rule Medium Severity -
SRG-APP-000495-NDM-000318
<GroupDescription></GroupDescription>Group -
The FortiGate device must generate audit records when successful/unsuccessful attempts to modify administrator privileges occur.
<VulnDiscussion>Without generating audit records specific to the security and mission needs of the organization, it would be difficult to est...Rule Medium Severity -
SRG-APP-000499-NDM-000319
<GroupDescription></GroupDescription>Group -
The FortiGate device must generate audit records when successful/unsuccessful attempts to delete administrator privileges occur.
<VulnDiscussion>Without generating audit records specific to the security and mission needs of the organization, it would be difficult to est...Rule Medium Severity -
SRG-APP-000503-NDM-000320
<GroupDescription></GroupDescription>Group -
The FortiGate device must generate audit records when successful/unsuccessful logon attempts occur.
<VulnDiscussion>Without generating audit records that are specific to the security and mission needs of the organization, it would be difficu...Rule Medium Severity -
SRG-APP-000504-NDM-000321
<GroupDescription></GroupDescription>Group -
The FortiGate device must generate audit records for privileged activities or other system-level access.
<VulnDiscussion>Without generating audit records specific to the security and mission needs of the organization, it would be difficult to est...Rule Medium Severity -
SRG-APP-000505-NDM-000322
<GroupDescription></GroupDescription>Group -
The FortiGate device must generate audit records showing starting and ending time for administrator access to the system.
<VulnDiscussion>Without generating audit records specific to the security and mission needs of the organization, it would be difficult to est...Rule Medium Severity -
SRG-APP-000506-NDM-000323
<GroupDescription></GroupDescription>Group -
The FortiGate device must generate audit records when concurrent logons from different workstations occur.
<VulnDiscussion>Without generating audit records specific to the security and mission needs of the organization, it would be difficult to est...Rule Medium Severity -
SRG-APP-000100-NDM-000230
<GroupDescription></GroupDescription>Group -
The FortiGate device must generate audit records containing information that establishes the identity of any individual or process associated with the event.
<VulnDiscussion>Without information that establishes the identity of the subjects (i.e., administrators or processes acting on behalf of admi...Rule Medium Severity -
SRG-APP-000101-NDM-000231
<GroupDescription></GroupDescription>Group -
The FortiGate device must generate audit records containing the full-text recording of privileged commands.
<VulnDiscussion>Reconstruction of harmful events or forensic analysis is not possible if audit records do not contain enough information. O...Rule Medium Severity -
SRG-APP-000357-NDM-000293
<GroupDescription></GroupDescription>Group -
The FortiGate device must allocate audit record storage capacity in accordance with organization-defined audit record storage requirements.
<VulnDiscussion>To ensure network devices have a sufficient storage capacity in which to write the audit logs, they need to be able to alloca...Rule Medium Severity -
SRG-APP-000515-NDM-000325
<GroupDescription></GroupDescription>Group -
The FortiGate device must off-load audit records on to 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. Offloading is a common ...Rule Medium Severity -
SRG-APP-000360-NDM-000295
<GroupDescription></GroupDescription>Group -
The FortiGate device must generate an immediate real-time alert of all audit failure events requiring real-time alerts.
<VulnDiscussion>It is critical for the appropriate personnel to be aware if a system is at risk of failing to process audit logs as required....Rule Medium Severity -
SRG-APP-000373-NDM-000298
<GroupDescription></GroupDescription>Group -
The FortiGate device must synchronize internal information system clocks 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-000374-NDM-000299
<GroupDescription></GroupDescription>Group -
The FortiGate device must record time stamps for audit records that can be mapped to Coordinated Universal Time (UTC) or Greenwich Mean Time (GMT).
<VulnDiscussion>If time stamps are not consistently applied and there is no common time reference, it is difficult to perform forensic analys...Rule Medium Severity
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