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How to know which port to

Last response: in Networking
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Anonymous
April 23, 2012 5:13:09 PM

Hello,
I am doing an assignement on Codeblocks using two laptops. Task is to send files over the internet. My code worked in college lab pcs but at home the connection isnt opening. i have changed the ip addresses to the home ones but i am not sure a)if i need to change the port numbers and b)how do i know which port to use

More about : port

April 23, 2012 11:22:02 PM

Ah, you now get to learn about traversing routers! ;) 
!