How does p2p file sharing software connect two peer in the internet behind NAT

Asked May 11 '19 at 09:10

Active May 18 '19 at 16:48

Viewed 185 times

I am new in computer network field and curious about the question below:

I want to know how two devices which are connected to the internet can connect themselves behind the NAT in p2p network through socket programming. I know the concept of port forwarding, but how can software like BitTorrent connect two devices. Any help will be appreciated. Thanks in advance

edited May 18 '19 at 16:48

asked May 11 '19 at 09:10

Saurav Kumar

that is a very broad question, do you have a more specific problem that you are facing? – the8472 May 16 '19 at 15:14
I mean, how two devices can establish a connection behind NAT in p2p, like bittorrent – Saurav Kumar May 17 '19 at 13:02
There is no problem that I am facing, just for the knowledge purpose – Saurav Kumar May 17 '19 at 13:18
then it's a duplicate of https://stackoverflow.com/q/37367769/1362755 – the8472 May 18 '19 at 14:07
Thanks this is exactly i wanted – Saurav Kumar May 18 '19 at 16:47
Possible duplicate of [Connecting P2P over NAT?](https://stackoverflow.com/questions/30367603/connecting-p2p-over-nat) – jch Jun 01 '19 at 12:52

How does p2p file sharing software connect two peer in the internet behind NAT

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