CONFIG_IP_NF_IPTABLES_LEGACY (not configurable)
modulename: ip_tables.ko
configname: CONFIG_IP_NF_IPTABLES_LEGACY
Linux Kernel Configuration
└─>Networking support
└─>Networking options
└─>Network packet filtering framework (Netfilter)
└─>IP: Netfilter Configuration
└─>IP_NF_IPTABLES_LEGACY