Palo Alto Networks NDM Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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The Palo Alto Networks security platform must authenticate Network Time Protocol sources.
<VulnDiscussion>If Network Time Protocol is not authenticated, an attacker can introduce a rogue NTP server. This rogue server can then be u...Rule Medium Severity -
SRG-APP-000068-NDM-000215
<GroupDescription></GroupDescription>Group -
The Palo Alto Networks security platform 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 Low Severity -
SRG-APP-000091-NDM-000223
<GroupDescription></GroupDescription>Group -
SRG-APP-000148-NDM-000346
<GroupDescription></GroupDescription>Group -
The Palo Alto Networks security platform must generate audit records when successful/unsuccessful attempts to access privileges 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-000098-NDM-000228
<GroupDescription></GroupDescription>Group -
The Palo Alto Networks security platform must produce audit log records containing information (FQDN, unique hostname, management IP address) to establish the source of events.
<VulnDiscussion>In order to compile an accurate risk assessment and provide forensic analysis, it is essential for security personnel to know...Rule Low Severity -
SRG-APP-000142-NDM-000245
<GroupDescription></GroupDescription>Group -
The Palo Alto Networks security platform must be configured to prohibit the use of all unnecessary and/or nonsecure functions, ports, protocols, and/or services, as defined in the PPSM 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-000516-NDM-000317
<GroupDescription></GroupDescription>Group -
The Palo Alto Networks security platform must uniquely identify and authenticate organizational administrators (or processes acting on behalf of organizational administrators).
<VulnDiscussion>To assure accountability and prevent unauthenticated access, organizational administrators must be uniquely identified and au...Rule Medium Severity -
SRG-APP-000156-NDM-000250
<GroupDescription></GroupDescription>Group -
If multifactor authentication is not available and passwords must be used, the Palo Alto Networks security platform 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 -
The Palo Alto Networks security platform must implement replay-resistant authentication mechanisms for network access to privileged accounts.
<VulnDiscussion>A replay attack may enable an unauthorized user to gain access to the application. Authentication sessions between the authen...Rule Medium Severity -
SRG-APP-000164-NDM-000252
<GroupDescription></GroupDescription>Group -
If multifactor authentication is not available and passwords must be used, the Palo Alto Networks security platform must 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 available and passwords must be used, the Palo Alto Networks security platform must enforce password complexity by requiring that at least one uppercase 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 available and passwords must be used, the Palo Alto Networks security platform must enforce password complexity by requiring that at least one lowercase 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 available and passwords must be used, the Palo Alto Networks security platform 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 -
SRG-APP-000170-NDM-000329
<GroupDescription></GroupDescription>Group -
If multifactor authentication is not available and passwords must be used, the Palo Alto Networks security platform must require that when a password is changed, the characters are changed in at least 8 of the positions within the password.
<VulnDiscussion>If the application allows the user to consecutively reuse extensive portions of passwords, this increases the chances of pass...Rule Medium Severity -
SRG-APP-000172-NDM-000259
<GroupDescription></GroupDescription>Group -
The Palo Alto Networks security platform must prohibit the use of unencrypted protocols for network access to privileged accounts.
<VulnDiscussion>Passwords need to be protected at all times, and encryption is the standard method for protecting passwords. If passwords are...Rule Medium Severity -
SRG-APP-000190-NDM-000267
<GroupDescription></GroupDescription>Group -
The Palo Alto Networks security platform must terminate management sessions after 10 minutes of inactivity except to fulfill documented and validated mission requirements.
<VulnDiscussion>Terminating an idle session within a short time period reduces the window of opportunity for unauthorized personnel to take c...Rule High Severity -
SRG-APP-000516-NDM-000317
<GroupDescription></GroupDescription>Group -
Administrators in the role of Security Administrator, Cryptographic Administrator, or Audit Administrator must not also have the role of Audit Administrator.
<VulnDiscussion>The Palo Alto Networks security platform has both pre-configured and configurable Administrator roles. Administrator roles de...Rule Medium Severity -
SRG-APP-000516-NDM-000317
<GroupDescription></GroupDescription>Group -
The Palo Alto Networks security platform must 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 Palo Alto Networks security platform must automatically lock the account until the locked account is released by an administrator when three unsuccessful logon attempts in 15 minutes are exceeded.
<VulnDiscussion>By limiting the number of failed logon attempts, the risk of unauthorized system access via user password guessing, otherwise...Rule Medium Severity -
SRG-APP-000516-NDM-000317
<GroupDescription></GroupDescription>Group -
The Palo Alto Networks security platform must generate an immediate alert when allocated audit record storage volume reaches 75% of repository maximum audit record storage capacity.
<VulnDiscussion>If security personnel are not notified immediately upon storage volume utilization reaching 75%, they are unable to plan for ...Rule Low Severity -
SRG-APP-000360-NDM-000295
<GroupDescription></GroupDescription>Group -
The Palo Alto Networks security platform must have alarms enabled.
<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 Low Severity -
SRG-APP-000516-NDM-000317
<GroupDescription></GroupDescription>Group -
The Palo Alto Networks security platform must compare internal information system clocks at least every 24 hours with an authoritative time server.
<VulnDiscussion>Inaccurate time stamps make it more difficult to correlate events and can lead to an inaccurate analysis. Determining the cor...Rule Low Severity -
SRG-APP-000516-NDM-000317
<GroupDescription></GroupDescription>Group -
The Palo Alto Networks security platform must synchronize internal information system clocks to the authoritative time source when the time difference is greater than one second.
<VulnDiscussion>Inaccurate time stamps make it more difficult to correlate events and can lead to an inaccurate analysis. Determining the cor...Rule Low Severity -
SRG-APP-000373-NDM-000298
<GroupDescription></GroupDescription>Group -
The Palo Alto Networks security platform 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-000374-NDM-000299
<GroupDescription></GroupDescription>Group -
The Palo Alto Networks security platform 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 -
SRG-APP-000516-NDM-000317
<GroupDescription></GroupDescription>Group -
The Palo Alto Networks security platform must accept and verify Personal Identity Verification (PIV) credentials.
<VulnDiscussion>The use of PIV credentials facilitates standardization and reduces the risk of unauthorized access. DOD has mandated the use...Rule Medium Severity
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