config BR2_PACKAGE_IPTABLES tristate "iptables" default y help Linux kernel (2.4+) firewall, NAT, and packet mangling tools. http://www.iptables.org/ config BR2_PACKAGE_IPTABLES_EXTRA tristate "extra modules" default m depends BR2_PACKAGE_IPTABLES help Extra modules for iptables (kernel and user space) config BR2_PACKAGE_IP6TABLES tristate "ip6tables" default m depends BR2_PACKAGE_IPTABLES select BR2_PACKAGE_KMOD_IPV6 help IPv6 firewalling