/proc/3161519/root/usr/lib/firewalld/helpers/ Current File: //proc/3161519/root/usr/lib/firewalld/helpers/netbios-ns.xml

<?xml version="1.0" encoding="utf-8"?>
<helper module="nf_conntrack_netbios_ns" family="ipv4">
  <port protocol="udp" port="137"/>
</helper>