Netfilter LOG over NFNETLINK interface

modulename: nfnetlink_log.ko


Linux Kernel Configuration
└─>Networking support
└─>Networking options
└─>Network packet filtering framework (Netfilter)
└─>Core Netfilter Configuration
└─>Netfilter LOG over NFNETLINK interface
In linux kernel since version 2.6.14 (release Date: 2005-10-27)  
If this option is enabled, the kernel will include support
for logging packets via NFNETLINK.

This obsoletes the existing ipt_ULOG and ebg_ulog mechanisms,
and is also scheduled to replace the old syslog-based ipt_LOG
and ip6t_LOG modules.

source code: