So far，Very few operators are willing to give you public IP for free anymore.。 CGNAT It has long been the norm，Of course, on the bright side，At least it hides your real IP，Protect your home router/NAS from direct hacker attacks to a certain extent。
But if I want to make some services on the NAS public for easy use when I go out，It became a headache。The easiest way is probably to spend money on shipping[……]