shorewall6-params 5 params Shorewall6 parameters file /etc/shorewall6/params Assign any shell variables that you need in this file. It is suggested that variable names begin with an upper case letter to distinguish them from variables used internally within the Shorewall programs Example params file: NET_IF=eth0 NET_OPTIONS=dhcp,nosmurfs Example shorewall6-interfaces(5) file. ZONE INTERFACE BROADCAST OPTIONS net $NET_IF - $NET_OPTIONS This is the same as if the interfaces file had contained: ZONE INTERFACE BROADCAST OPTIONS net eth0 - dhcp,nosmurfs /etc/shorewall6/params http://www.shorewall.net/configuration_file_basics.htm#Variables shorewall6(8), shorewall6-accounting(5), shorewall6-actions(5), shorewall6-blacklist(5), shorewall6-hosts(5), shorewall6-interfaces(5), shorewall6-maclist(5), shorewall6-policy(5), shorewall6-providers(5), shorewall6-route_rules(5), shorewall6-routestopped(5), shorewall6-rules(5), shorewall6.conf(5), shorewall6-tcclasses(5), shorewall6-tcdevices(5), shorewall6-tcrules(5), shorewall6-tos(5), shorewall6-tunnels(5), shorewall6-zones(5)