That article is confusing. They claim you don’t need to worry, then they drop a sentence like this.
Even a worn-out SSD would still go a year without data loss, according to the original presentation, and that’s while being stored at 87 degrees Fahreneit the entire time
So which is it? If I have a SSD in a drawer I sure hope it will last more than 1 year.
What do you mean the addresses are private? Are you double NAT-ed?
As others have mentioned, tailscale or Cloudflare tunnels can solve your problem