35.9 (L1) Ensure 'Enable Private Network Firewall: Default Inbound Action for Private Profile' is set to 'Block'

Information

This setting determines the behavior for inbound connections that do not match an inbound firewall rule.

The recommended state for this setting is: Block

If the firewall allows all traffic to access the system then an attacker may be more easily able to remotely exploit a weakness in a network service.

Solution

To establish the recommended configuration via configuration profiles, set the following Settings Catalog path to Block :

Firewall\Enable Private Network Firewall: Default Inbound Action for Private Profile

Impact:

None - this is the default behavior.

See Also

https://workbench.cisecurity.org/benchmarks/16853

Item Details

Category: SYSTEM AND COMMUNICATIONS PROTECTION

References: 800-53|SC-7, 800-53|SC-7(5), CSCv7|9.4, CSCv7|11.2

Plugin: Windows

Control ID: 3ecbce5168bb8c22f578ed17b05156bba9fbd1575537cdc9f4aaafe817706593