Each port can be used via either TCP or UDP. These two protocols are used for different types of data. The screenshots below show… When you go to tell the router to add a new port forwarding rule, you'll need to give the router both the port number to forward (7777 is terraria's default), and the local/internal IP address to forward it to. UDP, or User Datagram Protocol, is less widely used in home applications with one major exception: BitTorrent. If you’re having trouble connecting to any of our online games - and you have tried basic connection troubleshooting - you may need to open some ports on your network connection. Inbound or Start - The first port number goes here. TCP or UDP for Unity port forwarding? Okay so I have a netgear WNDR4300 router and i went to forward my ports. You’ve probably seen references to TCP and UDP when setting up port-forwarding on a router or when configuring firewall software. I disabled firewall so I knew it wasnt the issue but anyways Ill show what i did. A port number is assigned to each end, like an address, to direct the flow of internet traffic. Depending on what is listening, it’ll be expecting requests to be made in either one or the other of these protocols. Configuring Terraria to be accessible to your Internet friends is easy – the hard part (as always) is battling any firewalls you may have in your network. If this is your first visit, be sure to check out the FAQ by clicking the link above. If you don't know what protocol the service you're trying to forward is, it's almost certainly TCP. it still doesnt work while the server is running, i have it set as follows Name : Terraria WAN Connection: pppo3g external port start/end: 7777/7777 protocol: tcp internal port … UDP remote port 4380 Note: Many university networks and proxies block required ports for Steam operation - please consult your network administrator to ensure the required ports are open if you are using a university network or a proxy. You may have to register before you can post: click the register link above to proceed. If you aren't sure of which one to select, click Both or TCP/UDP. For example, if you forward port 3389 (used by the Remote Desktop remote access program) to a computer with the IP address 192.168.1.115, that same router can't also forward port 3389 to 192.168.1.120.
![how to portforward terraria how to portforward terraria](https://i.redd.it/hts0tkhved341.png)
Basically, you’ll configure port forwarding to allow TCP and UDP from any source port to destination ports 777 to your Terraria server.