kernelconfig_penguin

Netfilter IPv4 packet duplication to alternate destination

modulename: nf_dup_ipv4.ko
configname: CONFIG_NF_DUP_IPV4

Linux Kernel Configuration
└─> Networking support
└─> Networking options
└─> Network packet filtering framework (Netfilter)
└─> IP: Netfilter Configuration
└─> Netfilter IPv4 packet duplication to alternate destination

In linux kernel since version 4.1 (release Date: 2015-06-21)  

This option enables the nf_dup_ipv4 core, which duplicates an IPv4
packet to be rerouted to another destination.


source code:


net/ipv4/netfilter/nf_dup_ipv4.c