B4J Question How to configuration PC and Router for [Server] Upload files from your B4A app to your B4J server o

you'll need to do portforwarding to the IP address of your server.

possible standard ports

80 http
21 ftp

you could use others aswell ofcourse.

notice that some providers block everything below 1024 so that you can't host your private (mail) server with them and need another type of account.

You need to follow the steps in that tutorial: https://www.b4x.com/android/forum/t...p-to-your-b4j-server-over-the-internet.37201/

If it doesn't work then you need to follow the steps in the "tips" section in the same tutorial and report what is working and what isn't working for you.