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Network Infrastructure Policy Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • NET1026

    <GroupDescription></GroupDescription>
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  • Syslog messages must be retained for a minimum of 30 days online and then stored offline for one year.

    &lt;VulnDiscussion&gt;Logging is a critical part of router security. Maintaining an audit trail of system activity logs (syslog) can help identify...
    Rule Low Severity
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  • NET1040

    <GroupDescription></GroupDescription>
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  • Current and previous network element configurations must be stored in a secured location.

    &lt;VulnDiscussion&gt;If the network element's non-volatile memory is lost without a recent configuration stored in an offline location, it may tak...
    Rule Low Severity
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  • NET1050

    <GroupDescription></GroupDescription>
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  • The organization must encrypt all network device configurations while stored offline.

    &lt;VulnDiscussion&gt;If a network device's non-volatile memory is lost without a recent configuration stored in an offline location, it may take t...
    Rule Medium Severity
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  • NET1622

    <GroupDescription></GroupDescription>
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  • An Out-of-Band (OOB) management network must be deployed or 24x7 personnel must have console access for device management.

    &lt;VulnDiscussion&gt;From an architectural point of view, providing Out-Of-Band (OOB) management of network systems is the best first step in any ...
    Rule Medium Severity
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  • NET1815

    <GroupDescription></GroupDescription>
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  • All Releasable Local Area Network (REL LAN) environments must be documented in the System Security Authorization Agreement (SSAA).

    &lt;VulnDiscussion&gt;The ISSM will ensure Releasable Local Area Network (REL LAN) environments are documented in the SSAA.&lt;/VulnDiscussion&gt;&...
    Rule Medium Severity
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  • NET1816

    <GroupDescription></GroupDescription>
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  • Annual reviews must be performed on all Releasable Local Area Network (REL LAN) environments.

    &lt;VulnDiscussion&gt;The ISSM will ensure Releasable Local Area Network (REL LAN) reviews are performed annually.&lt;/VulnDiscussion&gt;&lt;FalseP...
    Rule Medium Severity
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  • NET1826

    <GroupDescription></GroupDescription>
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  • Enabling a connection that extends DISN IP network connectivity (e.g., NIPRNet and SIPRNet) to any DoD Vendor, Foreign, or Federal Mission Partner enclave or network without a signed DoD CIO approved sponsorship memo is prohibited. For classified connectivity it must be to a DSS approved contractor facility or DoD Component approved foreign government facility.

    &lt;VulnDiscussion&gt;Having a circuit provisioned that connects the SIPRNet enclave to a non-DoD, foreign, or contractor network puts the enclave ...
    Rule High Severity
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  • NET1827

    <GroupDescription></GroupDescription>
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  • Command and Control (C2) and non-C2 exceptions of SIPRNet must be documented in the enclaves accreditation package and an Authority to Connect (ATC) or Interim ATC amending the connection approval received prior to implementation.

    &lt;VulnDiscussion&gt;Any exception to use SIPRNet must be documented in an update to the enclave's accreditation package and an Authority to Conne...
    Rule Medium Severity
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  • NET1832

    <GroupDescription></GroupDescription>
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  • VPN gateways used to create IP tunnels to transport classified traffic across an unclassified IP network must comply with appropriate physical security protection standards for processing classified information.

    &lt;VulnDiscussion&gt;When transporting classified data over an unclassified IP network, it is imperative that the network elements deployed to pro...
    Rule Medium Severity
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  • NET2000

    <GroupDescription></GroupDescription>
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  • Multi-Protocol Labeled Switching (MPLS) protocols deployed to build Label-Switch Path (LSP) tunnels must authenticate all messages with a hash function using the most secured cryptographic algorithm available.

    &lt;VulnDiscussion&gt;Spoofed TCP segments could be introduced into the connection streams for LDP sessions used to build LSPs. By configuring stri...
    Rule Medium Severity
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