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I - Mission Critical Classified

Rules and Groups employed by this XCCDF Profile

  • SRG-APP-000065-NDM-000214

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  • The NSX-T Manager must be configured to enforce the limit of three consecutive invalid logon attempts, after which time it must block any login attempt for 15 minutes.

    By limiting the number of failed login attempts, the risk of unauthorized system access via user password guessing, otherwise known as brute-forcing, is reduced.
    Rule Medium Severity
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  • SRG-APP-000164-NDM-000252

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  • The NSX-T Manager must enforce a minimum 15-character password length.

    Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute-force attacks. Password length is one factor of several that helps to d...
    Rule Medium Severity
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  • SRG-APP-000190-NDM-000267

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  • The NSX-T Manager must terminate the device management session at the end of the session or after 10 minutes of inactivity.

    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
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  • SRG-APP-000373-NDM-000298

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  • The NSX-T Manager must be configured to synchronize internal information system clocks using redundant authoritative time sources.

    The loss of connectivity to a particular authoritative time source will result in the loss of time synchronization (free-run mode) and increasingly inaccurate time stamps on audit events and other ...
    Rule Medium Severity
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  • SRG-APP-000374-NDM-000299

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  • The NSX-T Manager must record time stamps for audit records that can be mapped to Coordinated Universal Time (UTC).

    If time stamps are not consistently applied and there is no common time reference, it is difficult to perform forensic analysis. Time stamps generated by the application include date and time. Tim...
    Rule Medium Severity
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  • SRG-APP-000400-NDM-000313

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  • The NSX-T Manager must prohibit the use of cached authenticators after an organization-defined time period.

    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
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  • SRG-APP-000435-NDM-000315

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  • The NSX-T Manager must be configured to protect against known types of denial-of-service (DoS) attacks by employing organization-defined security safeguards.

    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 capacity. This require...
    Rule Medium Severity
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  • SRG-APP-000499-NDM-000319

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  • The NSX-T Manager must generate audit records when successful/unsuccessful attempts to delete administrator privileges occur.

    Without generating audit records specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or...
    Rule Medium Severity
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  • SRG-APP-000515-NDM-000325

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  • The NSX-T Manager must be configured to send logs to a central log server.

    Information stored in one location is vulnerable to accidental or incidental deletion or alteration. Offloading is a common process in information systems with limited audit storage capacity.
    Rule Medium Severity
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  • SRG-APP-000516-NDM-000334

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  • The NSX-T Manager must generate log records for the info level to capture the DoD-required auditable events.

    Auditing and logging are key components of any security architecture. Logging the actions of specific events provides a means to investigate an attack; to recognize resource utilization or capacity...
    Rule Medium Severity
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  • SRG-APP-000516-NDM-000336

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  • The NSX-T Manager must integrate with either VMware Identity Manager (vIDM) or VMware Workspace ONE Access.

    Centralized management of authentication settings increases the security of remote and nonlocal access methods. This control is particularly important protection against the insider threat. With ro...
    Rule High Severity
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  • SRG-APP-000516-NDM-000340

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  • The NSX-T Manager must be configured to conduct backups on an organizationally defined schedule.

    System-level information includes default and customized settings and security attributes, including ACLs that relate to the network device configuration, as well as software required for the execu...
    Rule Medium Severity
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  • SRG-APP-000516-NDM-000341

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  • The NSX-T Manager must support organizational requirements to conduct backups of information system documentation, including security-related documentation, when changes occur or weekly, whichever is sooner.

    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
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  • SRG-APP-000516-NDM-000344

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  • The NSX-T Manager must obtain its public key certificates from an approved DoD certificate authority.

    For user certificates, each organization obtains certificates from an approved, shared service provider, as required by OMB policy. For Federal agencies operating a legacy public key infrastructure...
    Rule Medium Severity
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  • SRG-APP-000516-NDM-000350

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  • The NSX-T Manager must be configured to send log data to a central log server for the purpose of forwarding alerts to the administrators and the Information System Security Officer (ISSO).

    The aggregation of log data kept on a syslog server can be used to detect attacks and trigger an alert to the appropriate security personnel. The stored log data can used to detect weaknesses in se...
    Rule High Severity
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  • SRG-APP-000516-NDM-000351

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  • The NSX-T Manager must be running a release that is currently supported by the vendor.

    Network devices running an unsupported operating system lack current security fixes required to mitigate the risks associated with recent vulnerabilities.
    Rule High Severity
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  • SRG-APP-000142-NDM-000245

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  • The NSX-T Manager must not provide environment information to third parties.

    Providing technical details about an environment's infrastructure to third parties could unknowingly expose sensitive information to bad actors if intercepted.
    Rule Medium Severity
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  • SRG-APP-000142-NDM-000245

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  • The NSX-T Manager must disable SSH.

    The NSX-T shell provides temporary access to commands essential for server maintenance. Intended primarily for use in break-fix scenarios, the NSX-T shell is well suited for checking and modifying ...
    Rule Low Severity
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  • SRG-APP-000142-NDM-000245

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  • The NSX-T Manager must disable unused local accounts.

    Prior to NSX-T 3.1 and earlier, there are three local accounts: root, admin, and audit. These local accounts could not be disabled and no additional accounts could be created. Starting in NSX-T 3.1...
    Rule Medium Severity
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  • SRG-APP-000142-NDM-000245

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  • The NSX-T Manager must disable TLS 1.1 and enable TLS 1.2.

    TLS 1.0 and 1.1 are deprecated protocols with well-published shortcomings and vulnerabilities. TLS 1.2 must be enabled on all interfaces and TLS 1.1 and 1.0 disabled where supported.
    Rule Medium Severity
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  • SRG-APP-000142-NDM-000245

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  • The NSX-T Manager must disable SNMP v2.

    SNMPv3 supports commercial-grade security, including authentication, authorization, access control, and privacy. Previous versions of the protocol contained well-known security weaknesses that were...
    Rule Medium Severity
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  • SRG-APP-000142-NDM-000245

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  • The NSX-T Manager must enable the global FIPS compliance mode for load balancers.

    If unsecured protocols (lacking cryptographic mechanisms) are used for load balancing, the contents of those sessions will be susceptible to eavesdropping, potentially putting sensitive data at ris...
    Rule Medium Severity
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  • SRG-APP-000033-NDM-000212

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  • NSX-T Manager must restrict the use of configuration, administration, and the execution of privileged commands to authorized personnel based on organization-defined roles.

    To mitigate the risk of unauthorized access, privileged access must not automatically give an entity access to an asset or security boundary. Authorization procedures and controls must be implement...
    Rule High Severity
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