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Virtual Private Network (VPN) Security Requirements Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • The IPSec VPN must be configured to use FIPS-validated SHA-2 at 384 bits or higher for Internet Key Exchange (IKE).

    <VulnDiscussion>Without cryptographic integrity protections, information can be altered by unauthorized users without detection. Although al...
    Rule High Severity
  • SRG-NET-000231

    <GroupDescription></GroupDescription>
    Group
  • The VPN Gateway must invalidate session identifiers upon user logoff or other session termination.

    &lt;VulnDiscussion&gt;Captured sessions can be reused in "replay" attacks. This requirement limits the ability of adversaries from capturing and co...
    Rule Medium Severity
  • SRG-NET-000233

    <GroupDescription></GroupDescription>
    Group
  • The VPN Gateway must recognize only system-generated session identifiers.

    &lt;VulnDiscussion&gt;VPN gateways (depending on function) utilize sessions and session identifiers to control application behavior and user access...
    Rule Medium Severity

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