Hi Luk,

for better understanding there is no malicious intent.
The main task is to share data over internet from a pc/database in my office to my phone or tablet when i'm mobile. Secondary the same communication app can also decome the platform for a real time collaboration where mobile device send data to pc that store into the database.
I'll thank who can provide some code to base the platform that can work on standard...

Hi all,

I'd like develop a simple application in vb.net able to exchange information over internet by connecting 2 pc or smartphone or 1 pc and 1 smarphone using the standard internet ports always opened by firewall and NAT.
I tryed with sample chat application by experienced fine works only into LAN.

Can anyone helm me? or send some sample code able to work also over internet?

Thanks