Microsoft Windows Server 2019 Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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Windows Server 2019 built-in guest account must be renamed.
The built-in guest account is a well-known user account on all Windows systems and, as initially installed, does not require a password. This can allow access to system resources by unauthorized us...Rule Medium Severity -
Windows Server 2019 maximum age for machine account passwords must be configured to 30 days or less.
Computer account passwords are changed automatically on a regular basis. This setting controls the maximum password age that a machine account may have. This must be set to no more than 30 days, en...Rule Medium Severity -
Windows Server 2019 Smart Card removal option must be configured to Force Logoff or Lock Workstation.
Unattended systems are susceptible to unauthorized use and must be locked. Configuring a system to lock when a smart card is removed will ensure the system is inaccessible when unattended.Rule Medium Severity -
Windows Server 2019 must prevent PKU2U authentication using online identities.
PKU2U is a peer-to-peer authentication protocol. This setting prevents online identities from authenticating to domain-joined systems. Authentication will be centrally managed with Windows user acc...Rule Medium Severity -
Windows Server 2019 LAN Manager authentication level must be configured to send NTLMv2 response only and to refuse LM and NTLM.
The Kerberos v5 authentication protocol is the default for authentication of users who are logging on to domain accounts. NTLM, which is less secure, is retained in later Windows versions for compa...Rule High Severity -
Windows Server 2019 must be configured to at least negotiate signing for LDAP client signing.
This setting controls the signing requirements for LDAP clients. This must be set to "Negotiate signing" or "Require signing", depending on the environment and type of LDAP server in use.Rule Medium Severity -
Windows Server 2019 session security for NTLM SSP-based clients must be configured to require NTLMv2 session security and 128-bit encryption.
Microsoft has implemented a variety of security support providers for use with Remote Procedure Call (RPC) sessions. All of the options must be enabled to ensure the maximum security level.Rule Medium Severity -
Windows Server 2019 default permissions of global system objects must be strengthened.
Windows systems maintain a global list of shared system resources such as DOS device names, mutexes, and semaphores. Each type of object is created with a default Discretionary Access Control List ...Rule Low Severity -
Windows Server 2019 must have PowerShell Transcription enabled.
Maintaining an audit trail of system activity logs can help identify configuration errors, troubleshoot service disruptions, and analyze compromises that have occurred, as well as detect attacks. A...Rule Medium Severity -
Windows Server 2019 must be configured for named-based strong mappings for certificates.
Weak mappings give rise to security vulnerabilities and demand hardening measures. Certificate names must be correctly mapped to the intended user account in Active Directory. A lack of strong name...Rule Medium Severity
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