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II - Mission Support Sensitive

Rules and Groups employed by this XCCDF Profile

  • SRG-OS-000423-GPOS-00187

    <GroupDescription></GroupDescription>
    Group
  • The setting Microsoft network server: Digitally sign communications (always) must be configured to Enabled.

    &lt;VulnDiscussion&gt;The server message block (SMB) protocol provides the basis for many network operations. Digitally signed SMB packets aid in p...
    Rule Medium Severity
  • SRG-OS-000423-GPOS-00187

    <GroupDescription></GroupDescription>
    Group
  • The setting Microsoft network server: Digitally sign communications (if client agrees) must be configured to Enabled.

    &lt;VulnDiscussion&gt;The server message block (SMB) protocol provides the basis for many network operations. Digitally signed SMB packets aid in p...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • Anonymous SID/Name translation must not be allowed.

    &lt;VulnDiscussion&gt;Allowing anonymous SID/Name translation can provide sensitive information for accessing a system. Only authorized users must ...
    Rule High Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • Anonymous enumeration of Security Account Manager (SAM) accounts must not be allowed.

    &lt;VulnDiscussion&gt;Anonymous enumeration of SAM accounts allows anonymous logon users (null session connections) to list all accounts names, thu...
    Rule High Severity
  • SRG-OS-000138-GPOS-00069

    <GroupDescription></GroupDescription>
    Group
  • Anonymous enumeration of shares must not be allowed.

    &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
  • Windows Server 2016 must be configured to prevent anonymous users from having the same permissions as the Everyone group.

    &lt;VulnDiscussion&gt;Access by anonymous users must be restricted. If this setting is enabled, anonymous users have the same rights and permission...
    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-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • Services using Local System that use Negotiate when reverting to NTLM authentication must use the computer identity instead of authenticating anonymously.

    &lt;VulnDiscussion&gt;Services using Local System that use Negotiate when reverting to NTLM authentication may gain unauthorized access if allowed ...
    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-joined...
    Rule Medium Severity

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