> The subscriber must be directly network-accessible and is identified by its Subscriber Callback URL
Does this mean the subscriber needs to have a forwarded port open to the internet for this to work? Without IPv6, users behind NAT (and specifically behind CGNAT) wouldn't be able to use it.
Does this mean the subscriber needs to have a forwarded port open to the internet for this to work? Without IPv6, users behind NAT (and specifically behind CGNAT) wouldn't be able to use it.