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II - Mission Support Classified

Rules and Groups employed by this XCCDF Profile

  • SRG-OS-000423-GPOS-00187

    <GroupDescription></GroupDescription>
    Group
  • The system must be configured to require a strong session key.

    &lt;VulnDiscussion&gt;A computer connecting to a domain controller will establish a secure channel. Requiring strong session keys enforces 128-bit...
    Rule Medium Severity
  • SRG-OS-000029-GPOS-00010

    <GroupDescription></GroupDescription>
    Group
  • The machine inactivity limit must be set to 15 minutes, locking the system with the screensaver.

    &lt;VulnDiscussion&gt;Unattended systems are susceptible to unauthorized use and should be locked when unattended. The screen saver should be set ...
    Rule Medium Severity
  • SRG-OS-000023-GPOS-00006

    <GroupDescription></GroupDescription>
    Group
  • The required legal notice must be configured to display before console logon.

    &lt;VulnDiscussion&gt;Failure to display the logon banner prior to a logon attempt will negate legal proceedings resulting from unauthorized access...
    Rule Medium Severity
  • SRG-OS-000023-GPOS-00006

    <GroupDescription></GroupDescription>
    Group
  • The Windows dialog box title for the legal banner must be configured.

    &lt;VulnDiscussion&gt;Failure to display the logon banner prior to a logon attempt will negate legal proceedings resulting from unauthorized access...
    Rule Low Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • Caching of logon credentials must be limited.

    &lt;VulnDiscussion&gt;The default Windows configuration caches the last logon credentials for users who log on interactively to a system. This fea...
    Rule Low Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • The Smart Card removal option must be configured to Force Logoff or Lock Workstation.

    &lt;VulnDiscussion&gt;Unattended systems are susceptible to unauthorized use and must be locked. Configuring a system to lock when a smart card is...
    Rule Medium Severity
  • SRG-OS-000423-GPOS-00187

    <GroupDescription></GroupDescription>
    Group
  • The Windows SMB client must be configured to always perform SMB packet signing.

    &lt;VulnDiscussion&gt;The server message block (SMB) protocol provides the basis for many network operations. Digitally signed SMB packets aid in ...
    Rule Medium Severity
  • SRG-OS-000074-GPOS-00042

    <GroupDescription></GroupDescription>
    Group
  • Unencrypted passwords must not be sent to third-party SMB Servers.

    &lt;VulnDiscussion&gt;Some non-Microsoft SMB servers only support unencrypted (plain text) password authentication. Sending plain text passwords a...
    Rule Medium Severity
  • SRG-OS-000423-GPOS-00187

    <GroupDescription></GroupDescription>
    Group
  • The Windows SMB server must be configured to always perform SMB packet signing.

    &lt;VulnDiscussion&gt;The server message block (SMB) protocol provides the basis for many network operations. Digitally signed SMB packets aid in ...
    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

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