FirewallLOCALRuns in your browserInput may contain sensitive information
Firewall Rule Builder
Build a bounded, portable firewall rule JSON model for local generator tools.
This tool handles input and primary processing in your browser and is designed not to send the input to QuickKit’s server.
Avoid live production secrets; use dummy or masked data where possible. Data handling details
Canonical rule JSON
How it works
Builds a small validated rule model for the local nftables and iptables generators. CIDRs are normalized, ports are limited to TCP or UDP, and no raw platform syntax is accepted. Generated rules are display-only and must be reviewed before use; this page never applies a rule.