it has now since randomly fixed itself

that was my exact thoughts too

we can both join public servers, im from new zealand and they are from thailand, we had no issues joining each other before

I've been playing multiplayer with a friend via steam for the past 2 weeks, but randomly like 2-3 days ago we became completely unable to join each other, usually with it saying, "Could not establish network communication with server.", here is my log file from when i tried hosting.