TFTP protocol support

modulename: nf_conntrack_tftp.ko

configname: CONFIG_NF_CONNTRACK_TFTP

Linux Kernel Configuration
└─>Networking support
└─>Networking options
└─>Network packet filtering framework (Netfilter)
└─>Core Netfilter Configuration
└─>TFTP protocol support
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
TFTP connection tracking helper, this is required depending
on how restrictive your ruleset is.
If you are using a tftp client behind -j SNAT or -j MASQUERADING
you will need this.

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

source code: