I wrote a about QT TCP file transfer, after testing in the local area network (LAN), there is no problem, now want to use this code implements, external network or public network file transfer, don't know I can achieve,

CodePudding user response:

Can ah, whether public or local area network (LAN), nature is an IP address changed,

CodePudding user response:

Of course, as long as the server IP networks outside

CodePudding user response:

Give you look at the code from

CodePudding user response:

LAN can use, the public can use, as long as there is external IP and port

CodePudding user response:

If the original poster is two transmission between the client and need to consider the problem of NAT penetration, if after the server is, the problem is not big,

CodePudding user response: