It’s working for me. Here’s a full dump of iptables - must be one of these.
Chain INPUT_FIREWALL (1 references)
target prot opt source destination
ACCEPT all -- anywhere anywhere
ACCEPT all -- anywhere anywhere state RELATED,ESTABLISHED
RETURN tcp -- anywhere anywhere multiport dports 2202,ssh,mysql
RETURN udp -- anywhere anywhere multiport dports dhcpv6-server,dhcpv6-client
RETURN tcp -- anywhere anywhere multiport dports 50002,50001
RETURN udp -- anywhere anywhere udp dpt:ssdp
RETURN tcp -- 192.168.0.0/16 anywhere multiport dports 5100,5101
RETURN tcp -- 192.168.0.0/16 anywhere tcp dpt:8123
RETURN tcp -- 192.168.0.0/16 anywhere multiport dports http,https
RETURN tcp -- 192.168.1.70 anywhere tcp dpt:mysql
RETURN udp -- 192.168.0.0/16 anywhere multiport sports netbios-ns,netbios-dgm
RETURN tcp -- 192.168.0.0/16 anywhere tcp dpt:afpovertcp
RETURN udp -- 192.168.0.0/16 anywhere udp dpt:mdns
RETURN tcp -- 192.168.0.0/16 anywhere multiport dports netbios-ns,netbios-dgm,netbios-ssn,microsoft-ds,sunrpc,892,nfs
RETURN udp -- 192.168.0.0/16 anywhere multiport dports netbios-ns,netbios-dgm,netbios-ssn,microsoft-ds,sunrpc,892,nfs
RETURN tcp -- 192.168.0.0/16 anywhere tcp dpt:2202
RETURN udp -- anywhere anywhere -m geoip --source-country US multiport dports l2f,ipsec-nat-t,isakmp
RETURN esp -- anywhere anywhere -m geoip --source-country US
RETURN ah -- anywhere anywhere -m geoip --source-country US
RETURN tcp -- 192.168.50.70 anywhere tcp dpt:5566
RETURN tcp -- 192.168.3.0/24 anywhere tcp dpt:5566
RETURN udp -- 192.168.0.0/16 anywhere udp spt:19997
RETURN tcp -- 192.168.0.0/16 anywhere multiport dports 9900,9901,rtsp
RETURN udp -- 192.168.0.0/16 anywhere udp dpt:19998
RETURN icmp -- 192.168.0.0/16 anywhere
RETURN tcp -- 192.168.0.0/16 anywhere tcp dpt:6690
RETURN tcp -- 192.168.0.0/16 anywhere tcp dpt:9123
RETURN tcp -- 192.168.1.70 anywhere tcp dpt:nut
RETURN tcp -- 192.168.0.0/16 anywhere tcp dpt:1400
RETURN tcp -- anywhere anywhere tcp dpt:domain
RETURN udp -- anywhere anywhere udp dpt:domain
RETURN tcp -- 192.168.0.0/16 anywhere tcp dpt:8888
RETURN tcp -- 192.168.0.0/16 anywhere tcp dpt:8091
DROP all -- anywhere anywhere
RETURN tcp -- anywhere anywhere multiport dports 9900,9901,5100,5101
DROP all -- anywhere anywhere
RETURN all -- anywhere anywhere
RETURN all -- anywhere anywhere