Server behind NAT router/FW | https://www.youtube.com/watch?v=KIwhuvdmHZU&ab_channel=PollyHuang |
|---|---|
| Manual | add NAT maping to NAT Router/FW |
| Dynamic | IGD protocol: internal Server to NAT Router/FW https://en.wikipedia.org/wiki/Internet_Gateway_Device_Protocol |
| Proxy server | example Skype |