Don’t know what pebkac is
root@OpenWrt:~# iptables-save -c -t nat | grep DNAT
[0:0] -A zone_lan_prerouting -s 192.168.1.0/24 -d 100.66.88.180/32 -p tcp -m tcp --dport 1935 -m comment --comment "!fw3: Test (reflection)" -j DNAT --to-destination 192.168.1.10:1935
[0:0] -A zone_lan_prerouting -s 192.168.1.0/24 -d 100.66.88.180/32 -p tcp -m tcp --dport 3478 -m comment --comment "!fw3: Test2 (reflection)" -j DNAT --to-destination 192.168.1.10:3478
[0:0] -A zone_lan_prerouting -s 192.168.1.0/24 -d 100.66.88.180/32 -p tcp -m tcp --dport 3479 -m comment --comment "!fw3: Test 3 (reflection)" -j DNAT --to-destination 192.168.1.10:3479
[0:0] -A zone_lan_prerouting -s 192.168.1.0/24 -d 100.66.88.180/32 -p tcp -m tcp --dport 10070 -m comment --comment "!fw3: Test 4 (reflection)" -j DNAT --to-destination 192.168.1.10:10070
[0:0] -A zone_lan_prerouting -s 192.168.1.0/24 -d 100.66.88.180/32 -p tcp -m tcp --dport 10080 -m comment --comment "!fw3: Test 5 (reflection)" -j DNAT --to-destination 192.168.1.10:10080
[0:0] -A zone_lan_prerouting -s 192.168.1.0/24 -d 100.66.88.180/32 -p udp -m udp --dport 3074 -m comment --comment "!fw3: Test 6 (reflection)" -j DNAT --to-destination 192.168.1.10:3074
[0:0] -A zone_lan_prerouting -s 192.168.1.0/24 -d 100.66.88.180/32 -p udp -m udp --dport 3478 -m comment --comment "!fw3: Test 7 (reflection)" -j DNAT --to-destination 192.168.1.10:3478
[0:0] -A zone_lan_prerouting -s 192.168.1.0/24 -d 100.66.88.180/32 -p udp -m udp --dport 3479 -m comment --comment "!fw3: Test 8 (reflection)" -j DNAT --to-destination 192.168.1.10:3479
[0:0] -A zone_lan_prerouting -s 192.168.1.0/24 -d 100.66.88.180/32 -p udp -m udp --dport 3658 -m comment --comment "!fw3: Test 9 (reflection)" -j DNAT --to-destination 192.168.1.10:3658
[0:0] -A zone_lan_prerouting -s 192.168.1.0/24 -d 100.66.88.180/32 -p udp -m udp --dport 9305 -m comment --comment "!fw3: Test 10 (reflection)" -j DNAT --to-destination 192.168.1.10:9305
[0:0] -A zone_lan_prerouting -s 192.168.1.0/24 -d 100.66.88.180/32 -p udp -m udp --dport 9308 -m comment --comment "!fw3: Test 11 (reflection)" -j DNAT --to-destination 192.168.1.10:9308
[0:0] -A zone_wan_prerouting -p tcp -m tcp --dport 1935 -m comment --comment "!fw3: Test" -j DNAT --to-destination 192.168.1.10:1935
[0:0] -A zone_wan_prerouting -p tcp -m tcp --dport 3478 -m comment --comment "!fw3: Test2" -j DNAT --to-destination 192.168.1.10:3478
[0:0] -A zone_wan_prerouting -p tcp -m tcp --dport 3479 -m comment --comment "!fw3: Test 3" -j DNAT --to-destination 192.168.1.10:3479
[0:0] -A zone_wan_prerouting -p tcp -m tcp --dport 10070 -m comment --comment "!fw3: Test 4" -j DNAT --to-destination 192.168.1.10:10070
[0:0] -A zone_wan_prerouting -p tcp -m tcp --dport 10080 -m comment --comment "!fw3: Test 5" -j DNAT --to-destination 192.168.1.10:10080
[0:0] -A zone_wan_prerouting -p udp -m udp --dport 3074 -m comment --comment "!fw3: Test 6" -j DNAT --to-destination 192.168.1.10:3074
[0:0] -A zone_wan_prerouting -p udp -m udp --dport 3478 -m comment --comment "!fw3: Test 7" -j DNAT --to-destination 192.168.1.10:3478
[0:0] -A zone_wan_prerouting -p udp -m udp --dport 3479 -m comment --comment "!fw3: Test 8" -j DNAT --to-destination 192.168.1.10:3479
[0:0] -A zone_wan_prerouting -p udp -m udp --dport 3658 -m comment --comment "!fw3: Test 9" -j DNAT --to-destination 192.168.1.10:3658
[0:0] -A zone_wan_prerouting -p udp -m udp --dport 9305 -m comment --comment "!fw3: Test 10" -j DNAT --to-destination 192.168.1.10:9305
[0:0] -A zone_wan_prerouting -p udp -m udp --dport 9308 -m comment --comment "!fw3: Test 11" -j DNAT --to-destination 192.168.1.10:9308