Thanks for you comment. I will contact my 4g ISP again but unfortunately it seems my ISP provides a hidden IP address so I have not been able to resolve this issue. I may either have to return to a...

I've recetly switched to a 4g router and unlimted data SIM running on the Vodafone UK network. The router is doing internet stuff fine and working well. However I want to setup an openVPN server on...