Firewalld provides a dynamically managed firewall with support for network/firewall zones that define the trust level of network connections or interfaces. It has support for IPv4, IPv6 firewall settings, ethernet bridges and IP sets.
Modern fwbuilder successor: Qt GUI for managing iptables/nftables policies. Centralized policy DB with reusable objects, scales to hundreds of firewalls, generates deployment-ready shell scripts.
Portmasterand
Switzerland
Finland
EU
