Microsoft Windows Defender Firewall with Advanced Security Security Technical Implementation Guide

Overview

Version	Date	Finding Count (21)			Downloads
2	2023-08-23	CAT I (High): 3	CAT II (Med): 9	CAT III (Low): 9	Excel	JSON	XML

STIG Description
This Security Technical Implementation Guide is published as a tool to improve the security of Department of Defense (DOD) information systems. The requirements are derived from the National Institute of Standards and Technology (NIST) 800-53 and related documents. Comments or proposed revisions to this document should be sent via email to the following address: disa.stig_spt@mail.mil.

Available Profiles

Classified	Public	Sensitive
I - Mission Critical Classified	I - Mission Critical Public	I - Mission Critical Sensitive	II - Mission Support Classified	II - Mission Support Public	II - Mission Support Sensitive	III - Administrative Classified	III - Administrative Public	III - Administrative Sensitive

Findings (MAC III - Administrative Sensitive)

Finding ID	Severity	Title	Description
V-242002	High	Windows Defender Firewall with Advanced Security must block unsolicited inbound connections when connected to a public network.	A firewall provides a line of defense against attack. To be effective, it must be enabled and properly configured. Unsolicited inbound connections may be malicious attempts to gain access to a...
V-241997	High	Windows Defender Firewall with Advanced Security must block unsolicited inbound connections when connected to a private network.	A firewall provides a line of defense against attack. To be effective, it must be enabled and properly configured. Unsolicited inbound connections may be malicious attempts to gain access to a...
V-241992	High	Windows Defender Firewall with Advanced Security must block unsolicited inbound connections when connected to a domain.	A firewall provides a line of defense against attack. To be effective, it must be enabled and properly configured. Unsolicited inbound connections may be malicious attempts to gain access to a...
V-242009	Medium	Inbound exceptions to the firewall on domain workstations must only allow authorized remote management hosts.	Allowing inbound access to domain workstations from other systems may allow lateral movement across systems if credentials are compromised. Limiting inbound connections only from authorized remote...
V-242003	Medium	Windows Defender Firewall with Advanced Security must allow outbound connections, unless a rule explicitly blocks the connection when connected to a public network.	A firewall provides a line of defense against attack. To be effective, it must be enabled and properly configured. Outbound connections are allowed on a public network, unless a rule explicitly...
V-242005	Medium	Windows Defender Firewall with Advanced Security local connection rules must not be merged with Group Policy settings when connected to a public network.	A firewall provides a line of defense against attack. To be effective, it must be enabled and properly configured. Local connection rules will not be merged with Group Policy settings on a public...
V-242004	Medium	Windows Defender Firewall with Advanced Security local firewall rules must not be merged with Group Policy settings when connected to a public network.	A firewall provides a line of defense against attack. To be effective, it must be enabled and properly configured. Local firewall rules will not be merged with Group Policy settings on a public...
V-241998	Medium	Windows Defender Firewall with Advanced Security must allow outbound connections, unless a rule explicitly blocks the connection when connected to a private network.	A firewall provides a line of defense against attack. To be effective, it must be enabled and properly configured. Outbound connections are allowed on a private network, unless a rule explicitly...
V-241989	Medium	Windows Defender Firewall with Advanced Security must be enabled when connected to a domain.	A firewall provides a line of defense against attack. To be effective, it must be enabled and properly configured. This setting enables the firewall when connected to the domain.
V-241990	Medium	Windows Defender Firewall with Advanced Security must be enabled when connected to a private network.	A firewall provides a line of defense against attack. To be effective, it must be enabled and properly configured. This setting enables the firewall when connected to a private network.
V-241991	Medium	Windows Defender Firewall with Advanced Security must be enabled when connected to a public network.	A firewall provides a line of defense against attack. To be effective, it must be enabled and properly configured. This setting enables the firewall when connected to a public network.
V-241993	Medium	Windows Defender Firewall with Advanced Security must allow outbound connections, unless a rule explicitly blocks the connection when connected to a domain.	A firewall provides a line of defense against attack. To be effective, it must be enabled and properly configured. Outbound connections are allowed in the domain, unless a rule explicitly blocks...
V-242008	Low	Windows Defender Firewall with Advanced Security must log successful connections when connected to a public network.	A firewall provides a line of defense against attack. To be effective, it must be enabled and properly configured. Logging of successful connections for a public network connection will be enabled...
V-242001	Low	Windows Defender Firewall with Advanced Security must log successful connections when connected to a private network.	A firewall provides a line of defense against attack. To be effective, it must be enabled and properly configured. Logging of successful connections for a private network connection will be...
V-242000	Low	Windows Defender Firewall with Advanced Security must log dropped packets when connected to a private network.	A firewall provides a line of defense against attack. To be effective, it must be enabled and properly configured. Logging of dropped packets for a private network connection will be enabled to...
V-242007	Low	Windows Defender Firewall with Advanced Security must log dropped packets when connected to a public network.	A firewall provides a line of defense against attack. To be effective, it must be enabled and properly configured. Logging of dropped packets for a public network connection will be enabled to...
V-242006	Low	Windows Defender Firewall with Advanced Security log size must be configured for public network connections.	A firewall provides a line of defense against attack. To be effective, it must be enabled and properly configured. The firewall log file size for a public network connection will be set to ensure...
V-241999	Low	Windows Defender Firewall with Advanced Security log size must be configured for private network connections.	A firewall provides a line of defense against attack. To be effective, it must be enabled and properly configured. The firewall log file size for a private connection will be set to ensure enough...
V-241994	Low	Windows Defender Firewall with Advanced Security log size must be configured for domain connections.	A firewall provides a line of defense against attack. To be effective, it must be enabled and properly configured. The firewall log file size for a domain connection will be set to ensure enough...
V-241995	Low	Windows Defender Firewall with Advanced Security must log dropped packets when connected to a domain.	A firewall provides a line of defense against attack. To be effective, it must be enabled and properly configured. Logging of dropped packets for a domain connection will be enabled to maintain an...
V-241996	Low	Windows Defender Firewall with Advanced Security must log successful connections when connected to a domain.	A firewall provides a line of defense against attack. To be effective, it must be enabled and properly configured. Logging of successful connections for a domain connection will be enabled to...