source ip

Hello. I have a need to forward several ports for a gaming PC. This works well so far on my rt-ax86u on the latest Merlin FW. I see when setting up port forwarding one can add a source IP to make the forwarding selective. Is it possible to enter more than one source IP in this field? Like say...

I was having an issue with my settings for Port Forwarding on an RT-AC86U using the latest Asuswrt-Merlin firmware 386.2_4. When I add the necessary settings they simply vanish once I signoff. The only way I have found that the Port Forwarding settings will be kept is adding 0.0.0.0 in the...