CODEWITHSUNDEEP
javasocketsportipc
Rahul Kumar
Rahul Kumar

Reputation: 59

How to decide which port to use in socket communcation

I have to write a Socket communication program to implement Inter Process Communication.

I understand I need to have a client and server implementation. Server implementation:

MyServerice = new ServerSocket(PortNumber);

Client and server will be on same machine so I don't want to interfere with any other running applications

How to decide which port number to use?

Upvotes: 3

Views: 1069

Answers (2)

Christianah Alaba
Christianah Alaba

Reputation: 9

I think in implementing the websocket object, the WebSocket protocol communications typically use TCP port number 80, so environments that block non-standard internet connections by using a firewall will still pass WebSocket packets.

Upvotes: 0

ΦXocę 웃 Пepeúpa ツ
ΦXocę 웃 Пepeúpa ツ

Reputation: 48258

You can look at this table those are mostly all, you will never know if any other external app is taking the port you have in mind, so in your case is a

Firt to come, first to serve issue

Upvotes: 2

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