Recently I had an idea to test use a server (with ubuntu) and I need it to be accessible from the outside with port forwarding.
I'm not often at home, but the internet provider doesn't like their customers to mess around with their routers. Because of that, they change their passwords daily.
I can access the router because I have a "friend" that can give me the access, but I don't want to bother him every time I want to make a change.
I was thinking on setting up an additional router, DMZ its static IP, and from my personal router, open the ports I need.
Is this a good or bad idea?