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by windexh8er 4667 days ago
The real security this provides is that now your access polices for firewall are much simplified. You can maintain a very reasonable back end network of hosts that aren't exposed to the public Internet and spin up a droplet to be your jump/bastion box, run certificates and lock SSH down to a sane source to an individual host (only the jump/bastion and not public).

Beyond that it adds no functional security - in fact port scanning on the inside will be much more fruitful with regard to services that default to starting on 0.0.0.0. With that in mind - make sure you're not exposing things that you don't mean to be on the backend.