Which port number should be used for network example code?

Question

I\'ve written a little Haskell network example, but i don\'t know, which port i should use.

i couldn\'t find a example port number in the IETF papers i found or in W

Answer 1

Unless you really need a static fixed port, you are better off letting the OS pick an available random port for you, and then you can display/publish the actual port chosen so you can let your clients know which port to connect to.