FireHOL uses an extremely simple but powerfull way to define firewall rules
which it turns into complete stateful iptables firewalls.  FireHOL is a generic
firewall generator, meaning that you can design any kind of local or routing
stateful packet filtering firewalls with ease.

Install FireHOL if you want an easy way to configure stateful packet filtering
firewalls on Linux hosts and routers.

You can run FireHOL with the 'helpme' argument, to get a configuration file for
the system run, which you can modify according to your needs.

The default configuration file will allow only client traffic on all
interfaces.

• L.A. Kostis

• firehol