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. There is a separation of runtime and permanent configuration options. It also provides an interface for services or applications to add firewall rules directly.
This is free and open source software.
- Complete D-Bus API.
- IPv4, IPv6, bridge and ipset support.
- IPv4 and IPv6 NAT support.
- Firewall zones.
- Predefined list of zones, services and icmptypes.
- Simple service, port, protocol, source port, masquerading, port forwarding, icmp filter, rich rule, interface and source address handlig in zones.
- Simple service definition with ports, protocols, source ports, modules (netfilter helpers) and destination address handling.
- Rich Language for more flexible and complex rules in zones.
- Timed firewall rules in zones.
- Simple log of denied packets.
- Direct interface.
- Lockdown: Whitelisting of applications that may modify the firewall.
- Automatic loading of Linux kernel modules.
- Integration with Puppet.
- Command line clients for online and offline configuration.
- Graphical configuration tool using gtk3.
- Applet using Qt4.
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