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Rapsssito / react-native-tcp-socket

React Native TCP socket API for Android, iOS & macOS with SSL/TLS support.
MIT License
304 stars 80 forks source link

Question: best way to find an open port? #116

Closed happymaskterriblefate closed 2 years ago

happymaskterriblefate commented 3 years ago

Hi there -- thank you for your great TCP library! I was wondering if you have advice on how to find an open port for listening on the device?

I may be a bit paranoid, but I'm worried that I'm going to ship my app and then my port choice will collide with another app on a user's device. My entire app will cease to function if the local tcp doesn't start up. Is this something that I should be worried about? Is there a recommended approach to finding an open port on the device?

Thank you in advance.

Rapsssito commented 3 years ago

@happymaskterriblefate, you should always use ports above 1024. However, before using those ports above 1024 it is highly recommended to inform yourself about that port, I simple Google search should be enough.

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