There’s not option in config file for these service.
It’s possible to work on firewall config file and then enable and disable related policy.
config rule ‘glservice_rule’
option name ‘glservice’
option dest_port ‘83’
option proto ‘tcp udp’
option src ‘wan’
option target ‘ACCEPT’ option enabled ‘0’ <<<---- remove or leave this line to enable/disable remote WAN access