Personal Blogs
If you are looking for only NAT i.e., you are only interested in Network Address Translation and not about filtering/mangling, unlike most of the sites, I have generated minimal kernel configuration file.
@ -453,7 +453,66 @@
# CONFIG_IPV6 is not set
# CONFIG_NETWORK_SECMARK is not set
# CONFIG_NETWORK_PHY_TIMESTAMPING is not set
-# CONFIG_NETFILTER is not set
+CONFIG_NETFILTER=y
- +CONFIG_NETFILTER_NETLINK=y
+CONFIG_NETFILTER_NETLINK_LOG=y
+CONFIG_NF_CONNTRACK=y
+CONFIG_NETFILTER_XTABLES=y- +CONFIG_NF_DEFRAG_IPV4=y
+CONFIG_NF_CONNTRACK_IPV4=y
+CONFIG_IP_NF_IPTABLES=y
+CONFIG_NF_NAT=y
+CONFIG_NF_NAT_NEEDED=y
# CONFIG_IP_DCCP is not set
# CONFIG_IP_SCTP is not set
# CONFIG_RDS is not set