Windows Firewall Rule Generator
Generate a New-NetFirewallRule command from a network flow.
Firewall Rule Generator
Describe the network traffic and generate a draft rule for FortiGate, Windows Firewall or Linux nftables.
Generated configuration
How to use Windows Firewall Rule Generator
Generate a New-NetFirewallRule command from a network flow.
What this tool is for
A BAOI generator prepares a working baseline: command, rule or configuration. It cannot know every constraint in your environment and must never replace technical review.
Recommended workflow
- Enter parameters using the names, paths and values from your environment.
- Generate the command or configuration and review every produced option.
- Test first in a controlled scope before a wider deployment.
Best practices
- Never copy and run a privileged command without understanding its effect.
- Back up or export the existing configuration before a significant change.
- For destructive commands or security rules, prepare a rollback before execution.
Questions about this tool
Which fields are critical when generating generating a Windows Firewall rule?
Verify source, destination, protocol, ports, interface or zone, direction and action. A single broad field can make the rule much more permissive than intended.
Should I create a broad allow rule first and restrict it later?
No. Start from the narrowest required flow and expand only when a documented test proves that another flow is necessary.
What should I check after deployment?
Review rule order, hit counters/logs and the effective path from the real source to the real destination.
Questions about this tool
Which fields are critical when generating generating a Windows Firewall rule?
Verify source, destination, protocol, ports, interface or area, direction and action. A single broad field can make the rule much more permissive than intended.
Should I create a broad allow rule first and restrict it later?
No. Start from the narrowest required flow and expand only when a documented test proves that another flow is necessary.
What should I check after deployment?
Review rule order, hit counters/logs and the effective path from the real source to the real destination.