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II - Mission Support Public

Rules and Groups employed by this XCCDF Profile

  • Windows Server 2019 must prevent NTLM from falling back to a Null session.

    <VulnDiscussion>NTLM sessions that are allowed to fall back to Null (unauthenticated) sessions may gain unauthorized access.</VulnDiscussi...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • Windows Server 2019 must prevent PKU2U authentication using online identities.

    &lt;VulnDiscussion&gt;PKU2U is a peer-to-peer authentication protocol. This setting prevents online identities from authenticating to domain-joined...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • Windows Server 2019 LAN Manager authentication level must be configured to send NTLMv2 response only and to refuse LM and NTLM.

    &lt;VulnDiscussion&gt;The Kerberos v5 authentication protocol is the default for authentication of users who are logging on to domain accounts. NTL...
    Rule High Severity

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