Microsoft Windows Server 2022 Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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Windows Server 2022 title for legal banner dialog box must be configured with the appropriate text.
Failure to display the logon banner prior to a logon attempt will negate legal proceedings resulting from unauthorized access to system resources. Satisfies: SRG-OS-000023-GPOS-00006, SRG-OS-00022...Rule Low Severity -
SRG-OS-000480-GPOS-00227
Group -
Windows Server 2022 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 -
SRG-OS-000423-GPOS-00187
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SRG-OS-000423-GPOS-00187
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Windows Server 2022 setting Microsoft network client: Digitally sign communications (if server agrees) must be configured to Enabled.
The server message block (SMB) protocol provides the basis for many network operations. If this policy is enabled, the SMB client will request packet signing when communicating with an SMB server t...Rule Medium Severity -
SRG-OS-000074-GPOS-00042
Group -
Windows Server 2022 unencrypted passwords must not be sent to third-party Server Message Block (SMB) servers.
Some non-Microsoft SMB servers only support unencrypted (plain-text) password authentication. Sending plain-text passwords across the network when authenticating to an SMB server reduces the overal...Rule Medium Severity -
SRG-OS-000423-GPOS-00187
Group -
Windows Server 2022 setting Microsoft network server: Digitally sign communications (always) must be configured to Enabled.
The server message block (SMB) protocol provides the basis for many network operations. Digitally signed SMB packets aid in preventing man-in-the-middle attacks. If this policy is enabled, the SMB ...Rule Medium Severity -
SRG-OS-000423-GPOS-00187
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SRG-OS-000480-GPOS-00227
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Windows Server 2022 must not allow anonymous SID/Name translation.
Allowing anonymous SID/Name translation can provide sensitive information for accessing a system. Only authorized users must be able to perform such translations.Rule High Severity -
SRG-OS-000480-GPOS-00227
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SRG-OS-000138-GPOS-00069
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Windows Server 2022 must not allow anonymous enumeration of shares.
Allowing anonymous logon users (null session connections) to list all account names and enumerate all shared resources can provide a map of potential points to attack the system.Rule High Severity -
SRG-OS-000480-GPOS-00227
Group -
Windows Server 2022 must be configured to prevent anonymous users from having the same permissions as the Everyone group.
Access by anonymous users must be restricted. If this setting is enabled, anonymous users have the same rights and permissions as the built-in Everyone group. Anonymous users must not have these pe...Rule Medium Severity -
SRG-OS-000138-GPOS-00069
Group -
SRG-OS-000480-GPOS-00227
Group -
Windows Server 2022 services using Local System that use Negotiate when reverting to NTLM authentication must use the computer identity instead of authenticating anonymously.
Services using Local System that use Negotiate when reverting to NTLM authentication may gain unauthorized access if allowed to authenticate anonymously versus using the computer identity.Rule Medium Severity -
SRG-OS-000480-GPOS-00227
Group -
Windows Server 2022 must prevent NTLM from falling back to a Null session.
NTLM sessions that are allowed to fall back to Null (unauthenticated) sessions may gain unauthorized access.Rule Medium Severity -
SRG-OS-000480-GPOS-00227
Group -
Windows Server 2022 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 -
SRG-OS-000120-GPOS-00061
Group -
SRG-OS-000073-GPOS-00041
Group -
SRG-OS-000480-GPOS-00227
Group -
SRG-OS-000480-GPOS-00227
Group -
SRG-OS-000480-GPOS-00227
Group -
SRG-OS-000480-GPOS-00227
Group -
Windows Server 2022 session security for NTLM SSP-based servers 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 -
SRG-OS-000067-GPOS-00035
Group -
SRG-OS-000478-GPOS-00223
Group -
Windows Server 2022 must be configured to use FIPS-compliant algorithms for encryption, hashing, and signing.
This setting ensures the system uses algorithms that are FIPS-compliant for encryption, hashing, and signing. FIPS-compliant algorithms meet specific standards established by the U.S. Government an...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
Group -
SRG-OS-000373-GPOS-00156
Group -
Windows Server 2022 User Account Control (UAC) approval mode for the built-in Administrator must be enabled.
UAC is a security mechanism for limiting the elevation of privileges, including administrative accounts, unless authorized. This setting configures the built-in Administrator account so that it run...Rule Medium Severity -
SRG-OS-000134-GPOS-00068
Group -
Windows Server 2022 UIAccess applications must not be allowed to prompt for elevation without using the secure desktop.
User Account Control (UAC) is a security mechanism for limiting the elevation of privileges, including administrative accounts, unless authorized. This setting prevents User Interface Accessibility...Rule Medium Severity -
SRG-OS-000134-GPOS-00068
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SRG-OS-000373-GPOS-00156
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Windows Server 2022 User Account Control (UAC) must automatically deny standard user requests for elevation.
UAC is a security mechanism for limiting the elevation of privileges, including administrative accounts, unless authorized. This setting controls the behavior of elevation when requested by a stand...Rule Medium Severity -
SRG-OS-000134-GPOS-00068
Group -
Windows Server 2022 User Account Control (UAC) must be configured to detect application installations and prompt for elevation.
UAC is a security mechanism for limiting the elevation of privileges, including administrative accounts, unless authorized. This setting requires Windows to respond to application installation requ...Rule Medium Severity -
SRG-OS-000134-GPOS-00068
Group -
Windows Server 2022 User Account Control (UAC) must only elevate UIAccess applications that are installed in secure locations.
UAC is a security mechanism for limiting the elevation of privileges, including administrative accounts, unless authorized. This setting configures Windows to only allow applications installed in a...Rule Medium Severity -
SRG-OS-000373-GPOS-00156
Group -
SRG-OS-000134-GPOS-00068
Group -
SRG-OS-000480-GPOS-00227
Group
Node 2
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