19 Dec
2017
19 Dec
'17
18:55
19.12.2017 21:36, Carlos E. R. пишет:
But they never can interconnect directly, this is denied.
There is UDP hole punching technique that creates port forwarding entries between two public addresses; this still requires external liaison which knows both public addresses to assist. The difference with e.g. TeamViewer is that traffic then does not go through third-party server which is arguably more secure.