There is no way to do port forwarding on an iPhone when using it as a Wi-Fi hotspot. This is by design. (IMO) the iPhone hotspot feature was to allow users to access the Internet via their phone's data plan so the user could check email, surf the web, chat, etc. It wasn't designed to serve as a router with more advanced features.
Find your settings to port forward (Image credit: Future) For a file-sharing client such as BitTorrent you need to find out a few settings before entering the rules into the router admin panel. iPhone Water Damage: Ultimate Guide On - Payette Forward Mar 20, 2019 More port forwarding questions.. :) - Avaya: IP Office May 08, 2008
Port Forwarding - IPitomy Wiki
Port Forwarding on Your Router for Fortnite Before You Forward a Port. Before you can forward a port you need to know the following things: The IP address of your router. Your gaming machine's IP address. A list of TCP and UDP ports that need to be forwarded. How to locate your Router's IP Address. The easiest way to locate your router's IP address is to run our free Router Detector utility. Open Port Check Tool - Test Port Forwarding on Your Router
setup port forwarding, please read the online manual . Port Forwarding the Apple AirPort Extreme Router using AirPort Utility v6.x Port Mapping Setup To setup port mapping on an 802.11n AirPort Express Base Station (AXn), connect to the base station's wireless network.
Port Forwarding Wizard is a very simple port forwarding app for iPhone. Support iOS6.0 and above. The Port Forwarding Wizard communicate with router by using UPnP or NAT-PMP standard. So what you need to do is just enable UPnP or NAT-PMP option in your router. When you launch Port Forwarding Wizard, it will auto detect your router.