Free & open source · Windows

FQDN Firewall Manager

Manage FQDN associations with Microsoft Windows Firewall outbound allow rules. List automatically resolved domain entries, see which firewall rules use them, add domains in bulk, and remove unused entries — entries still referenced by a rule are protected from removal.

Download for Windows · coming soon

View on GitHub

Requires Windows 10 1809+ or Windows 11 · administrator access · no separate .NET install needed

List resolved entries

See every automatically resolved domain entry Windows Firewall is tracking.

Rule visibility

See exactly which firewall rules reference each domain entry.

Bulk add

Add domains in bulk instead of one rule at a time.

Safe cleanup

Remove unused entries — anything still referenced by a rule is protected from removal.