NPT (Network Prefix translation) target support

modulename: ip6t_NPT.ko

configname: CONFIG_IP6_NF_TARGET_NPT

Linux Kernel Configuration
└─>Networking support
└─>Networking options
└─>Network packet filtering framework (Netfilter)
└─>The IPv6 protocol
└─>IPv6: Netfilter Configuration
└─>NPT (Network Prefix translation) target support
In linux kernel since version 3.1 (release Date: 2011-10-24)  
This option adds the `SNPT' and `DNPT' target, which perform
stateless IPv6-to-IPv6 Network Prefix Translation per RFC 6296.

To compile it as a module, choose M here. If unsure, say N.

source code: