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I - Mission Critical Sensitive

Rules and Groups employed by this XCCDF Profile

  • SRG-APP-000001-NDM-000200

    <GroupDescription></GroupDescription>
    Group
  • The F5 BIG-IP appliance must be configured to limit the number of concurrent sessions to the Configuration Utility to 10 or an organization-defined number.

    &lt;VulnDiscussion&gt;Device management includes the ability to control the number of administrators and management sessions that manage a device. ...
    Rule Medium Severity
  • SRG-APP-000317-NDM-000282

    <GroupDescription></GroupDescription>
    Group
  • The F5 BIG-IP appliance must terminate shared/group account credentials when members leave the group.

    &lt;VulnDiscussion&gt;A shared/group account credential is a shared form of authentication that allows multiple individuals to access the network d...
    Rule Medium Severity
  • SRG-APP-000148-NDM-000346

    <GroupDescription></GroupDescription>
    Group
  • The F5 BIG-IP appliance must be configured with only one local account to be used as the account of last resort in the event the authentication server is unavailable.

    &lt;VulnDiscussion&gt;Authentication for administrative (privileged level) access to the device is required at all times. An account can be created...
    Rule Medium Severity
  • SRG-APP-000033-NDM-000212

    <GroupDescription></GroupDescription>
    Group
  • The F5 BIG-IP appliance must be configured to assign appropriate user roles or access levels to authenticated users.

    &lt;VulnDiscussion&gt;Successful identification and authentication must not automatically give an entity full access to a network device or securit...
    Rule High Severity
  • SRG-APP-000343-NDM-000289

    <GroupDescription></GroupDescription>
    Group
  • The F5 BIG-IP appliance must be configured to audit the execution of privileged functions such as accounts additions and changes.

    &lt;VulnDiscussion&gt;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 F5 BIG-IP appliance must be configured to enforce the limit of three consecutive invalid logon attempts, after which time it must block any login attempt for at least 15 minutes.

    &lt;VulnDiscussion&gt;By limiting the number of failed logon attempts, the risk of unauthorized system access via user password guessing, otherwise...
    Rule Medium Severity
  • SRG-APP-000068-NDM-000215

    <GroupDescription></GroupDescription>
    Group
  • The F5 BIG-IP appliance must be configured to display the Standard Mandatory DOD Notice and Consent Banner upon access to the TMOS User Interface.

    &lt;VulnDiscussion&gt;Display of the DOD-approved use notification before granting access to the network device ensures privacy and security notifi...
    Rule Medium Severity
  • SRG-APP-000357-NDM-000293

    <GroupDescription></GroupDescription>
    Group
  • The F5 BIG-IP appliance must manage local audit storage capacity in accordance with organization-defined audit record storage requirements.

    &lt;VulnDiscussion&gt;To ensure network devices have a sufficient storage capacity in which to write the audit logs, they need to be able to alloca...
    Rule Low Severity
  • SRG-APP-000515-NDM-000325

    <GroupDescription></GroupDescription>
    Group
  • The F5 BIG-IP appliance must generate audit records and send records to redundant central syslog servers that are separate from the appliance.

    &lt;VulnDiscussion&gt;Information stored in one location is vulnerable to accidental or incidental deletion or alteration. Without generating audi...
    Rule High Severity
  • F5BI-DM-300036

    <GroupDescription></GroupDescription>
    Group
  • The F5 BIG-IP appliance must be configured to synchronize internal information system clocks using redundant authoritative time sources.

    &lt;VulnDiscussion&gt;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 F5 BIG-IP appliance must record time stamps for audit records that can be mapped to Coordinated Universal Time (UTC).

    &lt;VulnDiscussion&gt;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-000131-NDM-000243

    <GroupDescription></GroupDescription>
    Group
  • The F5 BIG-IP appliance must be configured to prevent the installation of patches, service packs, or application components without verification the software component has been digitally signed using a certificate that is recognized and approved by the organization.

    &lt;VulnDiscussion&gt;Changes to any software components can have significant effects on the overall security of the network device. Verifying soft...
    Rule Medium Severity
  • SRG-APP-000516-NDM-000336

    <GroupDescription></GroupDescription>
    Group
  • The F5 BIG-IP appliance must be configured to use at least two authentication servers to authenticate administrative users.

    &lt;VulnDiscussion&gt;Centralized management of authentication settings increases the security of remote and nonlocal access methods. This control ...
    Rule High Severity
  • SRG-APP-000516-NDM-000351

    <GroupDescription></GroupDescription>
    Group
  • The F5 BIG-IP appliance must be running an operating system release that is currently supported by the vendor.

    &lt;VulnDiscussion&gt;Network devices running an unsupported operating system lack current security fixes required to mitigate the risks associated...
    Rule High Severity
  • SRG-APP-000516-NDM-000344

    <GroupDescription></GroupDescription>
    Group
  • The F5 BIG-IP appliance must obtain its public key certificates from an appropriate certificate policy through an approved service provider.

    &lt;VulnDiscussion&gt;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 appliance must be configured to prohibit the use of all unnecessary and/or nonsecure functions, ports, protocols, and/or services.

    &lt;VulnDiscussion&gt;To prevent unauthorized connection of devices, unauthorized transfer of information, or unauthorized tunneling (i.e., embeddi...
    Rule High Severity
  • SRG-APP-000149-NDM-000247

    <GroupDescription></GroupDescription>
    Group
  • The F5 BIG-IP appliance must be configured to use multifactor authentication (MFA) for interactive logins.

    &lt;VulnDiscussion&gt;MFA is when two or more factors are used to confirm the identity of an individual who is requesting access to digital informa...
    Rule High Severity
  • SRG-APP-000395-NDM-000347

    <GroupDescription></GroupDescription>
    Group
  • The F5 BIG-IP appliance must authenticate Network Time Protocol (NTP) sources using authentication that is cryptographically based.

    &lt;VulnDiscussion&gt;If NTP is not authenticated, an attacker can introduce a rogue NTP server. This rogue server can then be used to send incorre...
    Rule Medium Severity
  • SRG-APP-000164-NDM-000252

    <GroupDescription></GroupDescription>
    Group
  • The F5 BIG-IP appliance must enforce a minimum 15-character password length.

    &lt;VulnDiscussion&gt;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
  • The F5 BIG-IP appliance must enforce password complexity by requiring that at least one uppercase character be used.

    &lt;VulnDiscussion&gt;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
  • The F5 BIG-IP appliance must enforce password complexity by requiring that at least one lowercase character be used.

    &lt;VulnDiscussion&gt;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
  • The F5 BIG-IP appliance must enforce password complexity by requiring that at least one numeric character be used.

    &lt;VulnDiscussion&gt;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 F5 BIG-IP appliance must enforce password complexity by requiring that at least one special character be used.

    &lt;VulnDiscussion&gt;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 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.

    &lt;VulnDiscussion&gt;If the application allows the user to consecutively reuse extensive portions of passwords, this increases the chances of pass...
    Rule Medium Severity
  • SRG-APP-000400-NDM-000313

    <GroupDescription></GroupDescription>
    Group
  • The F5 BIG-IP appliance must prohibit the use of cached authenticators after eight hours or less.

    &lt;VulnDiscussion&gt;Some authentication implementations can be configured to use cached authenticators. If cached authentication information is ...
    Rule Medium Severity

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