IPv4 packet rejection

modulename: nf_reject_ipv4.ko

configname: CONFIG_NF_REJECT_IPV4

Linux Kernel Configuration
└─>Networking support
└─>Networking options
└─>Network packet filtering framework (Netfilter)
└─>IP: Netfilter Configuration
└─>IPv4 packet rejection
In linux kernel since version 3.18 (release Date: 2014-12-07)  
source code: