default or selected kernelversion does not have config value CONFIG_IP_NF_CONNTRACK_SUPPORT.
Result is shown for kernelversion 5.15.113
Layer 3 Dependent Connection tracking (OBSOLETE)
configname: CONFIG_IP_NF_CONNTRACK_SUPPORT
Netfilter connection tracking support
└─>Layer 3 Dependent Connection tracking (OBSOLETE)
In linux kernel since version 2.6.20 (release Date: 2007-02-04)
The old, Layer 3 dependent ip_conntrack subsystem of netfilter.
This is required to do Masquerading or other kinds of Network
Address Translation (except for Fast NAT). It can also be used to
enhance packet filtering (see `Connection state match support'
below).
This is required to do Masquerading or other kinds of Network
Address Translation (except for Fast NAT). It can also be used to
enhance packet filtering (see `Connection state match support'
below).