PC Join via steam not working

v1tell

Skeletron Prime
Me and my friend really want to play together, but for some reason when my friend clicks the 'Join Via Steam' button, nothing is coming up. I can still join him, but he can't join me when i host because of this bug. Does anyone have any insight?
 
It's not a bug, your network isn't configured properly. You need to do something called "port forwarding" for it to work. I suggest you google that term to learn more about what it means. There should be some good links.
After that head over to portforward.com. They have guides for a lot of routers there. Chances are there is a guide for your router.

Basically what you need to do is forward port 7777 on the external network to your computer on the internal network.
You can also try enabling a function called UPnP in the router. Then you might not have to "port forward" manually.
 
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