REJECT target support

modulename: ipt_REJECT.ko

configname: CONFIG_IP_NF_TARGET_REJECT

Linux Kernel Configuration
└─>Networking support
└─>Networking options
└─>Network packet filtering framework (Netfilter)
└─>IP: Netfilter Configuration
└─>REJECT target support
In linux kernel since version 2.6.12  
The REJECT target allows a filtering rule to specify that an ICMP
error should be issued in response to an incoming packet, rather
than silently being dropped.

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

source code: