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III - Administrative Public

Rules and Groups employed by this XCCDF Profile

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • NTLM must be prevented from falling back to a Null session.

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

    <GroupDescription></GroupDescription>
    Group
  • PKU2U authentication using online identities must be prevented.

    &lt;VulnDiscussion&gt;PKU2U is a peer-to-peer authentication protocol. This setting prevents online identities from authenticating to domain-join...
    Rule Medium Severity
  • SRG-OS-000120-GPOS-00061

    <GroupDescription></GroupDescription>
    Group
  • Kerberos encryption types must be configured to prevent the use of DES and RC4 encryption suites.

    &lt;VulnDiscussion&gt;Certain encryption types are no longer considered secure. This setting configures a minimum encryption type for Kerberos, pr...
    Rule Medium Severity
  • SRG-OS-000073-GPOS-00041

    <GroupDescription></GroupDescription>
    Group
  • The system must be configured to prevent the storage of the LAN Manager hash of passwords.

    &lt;VulnDiscussion&gt;The LAN Manager hash uses a weak encryption algorithm and there are several tools available that use this hash to retrieve ac...
    Rule High Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • The LanMan authentication level must be set 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. NT...
    Rule High Severity

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