"ttl" match support

configname: CONFIG_IP_NF_MATCH_TTL

Linux Kernel Configuration
└─>Networking support
└─>Networking options
└─>Network packet filtering framework (Netfilter)
└─>IP: Netfilter Configuration
└─>"ttl" match support
In linux kernel since version 2.6.12  
This is a backwards-compat option for the user's convenience
(e.g. when running oldconfig). It selects
CONFIG_NETFILTER_XT_MATCH_HL.