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II - Mission Support Public

Rules and Groups employed by this XCCDF Profile

  • SRG-OS-000138-GPOS-00069

    <GroupDescription></GroupDescription>
    Group
  • Anonymous enumeration of shares must be restricted.

    &lt;VulnDiscussion&gt;Allowing anonymous logon users (null session connections) to list all account names and enumerate all shared resources can pr...
    Rule High Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • The system must be configured to prevent anonymous users from having the same rights as the Everyone group.

    &lt;VulnDiscussion&gt;Access by anonymous users must be restricted. If this setting is enabled, then anonymous users have the same rights and permi...
    Rule Medium Severity
  • SRG-OS-000138-GPOS-00069

    <GroupDescription></GroupDescription>
    Group
  • Anonymous access to Named Pipes and Shares must be restricted.

    &lt;VulnDiscussion&gt;Allowing anonymous access to named pipes or shares provides the potential for unauthorized system access. This setting restri...
    Rule High Severity
  • SRG-OS-000324-GPOS-00125

    <GroupDescription></GroupDescription>
    Group
  • Remote calls to the Security Account Manager (SAM) must be restricted to Administrators.

    &lt;VulnDiscussion&gt;The Windows Security Account Manager (SAM) stores users' passwords. Restricting remote rpc connections to the SAM to Administ...
    Rule Medium Severity
  • 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-joine...
    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, pre...
    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. NTL...
    Rule High Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • The system must be configured to the required LDAP client signing level.

    &lt;VulnDiscussion&gt;This setting controls the signing requirements for LDAP clients. This setting must be set to Negotiate signing or Require sig...
    Rule Medium Severity

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