III - Administrative Classified
Rules and Groups employed by this XCCDF Profile
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SRG-OS-000066-GPOS-00034
<GroupDescription></GroupDescription>Group -
The DoD Interoperability Root CA cross-certificates must be installed in the Untrusted Certificates Store on unclassified systems.
<VulnDiscussion>To ensure users do not experience denial of service when performing certificate-based authentication to DoD websites due to t...Rule Medium Severity -
SRG-OS-000066-GPOS-00034
<GroupDescription></GroupDescription>Group -
The US DoD CCEB Interoperability Root CA cross-certificates must be installed in the Untrusted Certificates Store on unclassified systems.
<VulnDiscussion>To ensure users do not experience denial of service when performing certificate-based authentication to DoD websites due to t...Rule Medium Severity -
SRG-OS-000121-GPOS-00062
<GroupDescription></GroupDescription>Group -
Windows Server 2016 built-in guest account must be disabled.
<VulnDiscussion>A system faces an increased vulnerability threat if the built-in guest account is not disabled. This is a known account that ...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
Local accounts with blank passwords must be restricted to prevent access from the network.
<VulnDiscussion>An account without a password can allow unauthorized access to a system as only the username would be required. Password poli...Rule High Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
Windows Server 2016 built-in administrator account must be renamed.
<VulnDiscussion>The built-in administrator account is a well-known account subject to attack. Renaming this account to an unidentified name i...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
Windows Server 2016 built-in guest account must be renamed.
<VulnDiscussion>The built-in guest account is a well-known user account on all Windows systems and, as initially installed, does not require ...Rule Medium Severity -
SRG-OS-000062-GPOS-00031
<GroupDescription></GroupDescription>Group -
Audit policy using subcategories must be enabled.
<VulnDiscussion>Maintaining an audit trail of system activity logs can help identify configuration errors, troubleshoot service disruptions, ...Rule Medium Severity -
SRG-OS-000423-GPOS-00187
<GroupDescription></GroupDescription>Group -
The setting Domain member: Digitally encrypt or sign secure channel data (always) must be configured to Enabled.
<VulnDiscussion>Requests sent on the secure channel are authenticated, and sensitive information (such as passwords) is encrypted, but not al...Rule Medium Severity -
SRG-OS-000423-GPOS-00187
<GroupDescription></GroupDescription>Group -
The setting Domain member: Digitally encrypt secure channel data (when possible) must be configured to enabled.
<VulnDiscussion>Requests sent on the secure channel are authenticated, and sensitive information (such as passwords) is encrypted, but not al...Rule Medium Severity -
SRG-OS-000423-GPOS-00187
<GroupDescription></GroupDescription>Group -
The setting Domain member: Digitally sign secure channel data (when possible) must be configured to Enabled.
<VulnDiscussion>Requests sent on the secure channel are authenticated, and sensitive information (such as passwords) is encrypted, but the ch...Rule Medium Severity -
SRG-OS-000379-GPOS-00164
<GroupDescription></GroupDescription>Group -
The computer account password must not be prevented from being reset.
<VulnDiscussion>Computer account passwords are changed automatically on a regular basis. Disabling automatic password changes can make the sy...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
The maximum age for machine account passwords must be configured to 30 days or less.
<VulnDiscussion>Computer account passwords are changed automatically on a regular basis. This setting controls the maximum password age that ...Rule Medium Severity -
SRG-OS-000423-GPOS-00187
<GroupDescription></GroupDescription>Group -
Windows Server 2016 must be configured to require a strong session key.
<VulnDiscussion>A computer connecting to a domain controller will establish a secure channel. The secure channel connection may be subject to...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 screen saver.
<VulnDiscussion>Unattended systems are susceptible to unauthorized use and should be locked when unattended. The screen saver should be set a...Rule Medium Severity -
SRG-OS-000023-GPOS-00006
<GroupDescription></GroupDescription>Group -
The required legal notice must be configured to display before console logon.
<VulnDiscussion>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 with the appropriate text.
<VulnDiscussion>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 -
The Smart Card removal option must be configured to Force Logoff or Lock Workstation.
<VulnDiscussion>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 setting Microsoft network client: Digitally sign communications (always) must be configured to Enabled.
<VulnDiscussion>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 client: Digitally sign communications (if server agrees) must be configured to Enabled.
<VulnDiscussion>The server message block (SMB) protocol provides the basis for many network operations. If this policy is enabled, the SMB cl...Rule Medium Severity -
SRG-OS-000074-GPOS-00042
<GroupDescription></GroupDescription>Group -
Unencrypted passwords must not be sent to third-party Server Message Block (SMB) servers.
<VulnDiscussion>Some non-Microsoft SMB servers only support unencrypted (plain-text) password authentication. Sending plain-text passwords ac...Rule Medium Severity -
SRG-OS-000423-GPOS-00187
<GroupDescription></GroupDescription>Group -
The setting Microsoft network server: Digitally sign communications (always) must be configured to Enabled.
<VulnDiscussion>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.
<VulnDiscussion>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.
<VulnDiscussion>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.
<VulnDiscussion>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.
<VulnDiscussion>Allowing anonymous logon users (null session connections) to list all account names and enumerate all shared resources can pr...Rule High Severity
Node 2
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