"NETMAP" target support

modulename: xt_NETMAP.ko

configname: CONFIG_NETFILTER_XT_TARGET_NETMAP

Linux Kernel Configuration
└─>Networking support
└─>Networking options
└─>Network packet filtering framework (Netfilter)
└─>Core Netfilter Configuration
└─>"NETMAP" target support
In linux kernel since version 3.1 (release Date: 2011-10-24)  
NETMAP is an implementation of static 1:1 NAT mapping of network
addresses. It maps the network address part, while keeping the host
address part intact.

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

source code: