Telegram Trigger: Bad Request: bad webhook: Webhook can be set up only on ports 80, 88, 443 or 8443

Questions
1

But my port is:5678
http://192.168.2.2:5678

2

Can you please alaborate?

3

If you test n8n locally you can use the tunnel to use port 443 as documented here.

For production you can follow the Server Setup Guide to setup n8n correctly.