Thank you very much for the quick reply. :)
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I used Hamachi for about a year with very few problems before I switched to PureVPN (w/ dedicated IP). Both have worked well and each has an advantage over the other (free vs transparent to the players).
I use PureVPN also, but before you spend the money for that unless you plan on using it for other programs, You should look at and consider FG Unity. It has been ststed that Unity will no longer require port fowarding.
So if you go that route you could use the othe one while waiting for it to release.
You only need dedicated ip and not the port forwarding option