No auth? I like to live dangerously too lol. Jokes aside, the probability of it being exploited is low though. Also, this assumes pc1 has a publicly, where as

No auth? I like to live dangerously too lol. Jokes aside, the probability of it being exploited is low though. Also, this assumes pc1 has a publicly, where as with Croc and MW, you can transfer files between two PCs on both behind different NATs.