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F5 BIG-IP TMOS NDM Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-APP-000065-NDM-000214

    <GroupDescription></GroupDescription>
    Group
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  • 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
    Show

  • SRG-APP-000068-NDM-000215

    <GroupDescription></GroupDescription>
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  • 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
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  • SRG-APP-000515-NDM-000325

    <GroupDescription></GroupDescription>
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  • 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
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  • F5BI-DM-300036

    <GroupDescription></GroupDescription>
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  • 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
    Show

  • SRG-APP-000374-NDM-000299

    <GroupDescription></GroupDescription>
    Group
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  • 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
    Show

  • SRG-APP-000131-NDM-000243

    <GroupDescription></GroupDescription>
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  • 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
    Show

  • SRG-APP-000164-NDM-000252

    <GroupDescription></GroupDescription>
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  • 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
    Show

  • SRG-APP-000516-NDM-000336

    <GroupDescription></GroupDescription>
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  • 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
    Show

  • SRG-APP-000516-NDM-000351

    <GroupDescription></GroupDescription>
    Group
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  • 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
    Show

  • SRG-APP-000516-NDM-000344

    <GroupDescription></GroupDescription>
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  • 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
    Show

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