Help[Fabianos Source] Private Server Public

Hey Guys

I just forwarded ports 80,2050 for my private Server.
If i send the client to my friends it works perfectly fine, but if i try to connect myself it just gives me the error Socket Server IO Error
And if i dont use the Localhost client it doesnt even workp

Screenshot: prnt,sc/catgos

Hope you can help me

enable 443 port