The remote status indicator turning from green to red means it’s not workstation all… it just took your PMS 20-40 seconds to conclude that check (showing a green status while doing so).
Have you already verified if your router’s WAN IP (public IP) and the specified public port are accessible from outside your home network? You can do that using a service like canyouseeme.org — that can also help to verify that the IP visible to the outside matches the one seen on your router.
