Board Thread:Game Help/@comment-26813879-20150729033507/@comment-26813879-20150729175050

I'd agree, local connection is almost always guaranteed.

Simply running windows firewall on the host computer, with traffic for terraria allowed. Ports are specified/forwarded on the router, and otherwise, haven't found any issues with network cabling or random disconnects from the internet on the host that would be causing random disconnects.

Otherwise, we have both run Hamachi before for other games and had run into issues with it not staying connected or had it cause further issues on the computers. Granted, that was older versions of hamachi before it had become more of a security threat as well, and we have not looked into details of the latest versions. That being said, I'm a bit biased due to a bad experience with it before, but might be willing to look into it again.