[*] Networking support ---> Networking options ---> [*] Network packet filtering framework (Netfilter) ---> Core Netfilter Configuration ---> <*> Netfilter connection tracking support <*> NetBIOS name service protocol support -*- Netfilter Xtables support (required for ip_tables) IP: Netfilter Configuration ---> <*> IPv4 connection tracking support (required for NAT) <*> IP tables support (required for filtering/masq/NAT) <*> iptables NAT support <*> MASQUERADE target support <*> REDIRECT target support