kernelconfig_penguin

UDP-Lite protocol connection tracking support

configname: CONFIG_NF_CT_PROTO_UDPLITE

Linux Kernel Configuration
└─> Networking support
└─> Networking options
└─> Network packet filtering framework (Netfilter)
└─> Core Netfilter Configuration
└─> UDP-Lite protocol connection tracking support

In linux kernel since version 2.6.23 (release Date: 2007-10-09)  

With this option enabled, the layer 3 independent connection
tracking code will be able to do state tracking on UDP-Lite
connections.

If unsure, say Y.