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this post was submitted on 05 Jul 2023
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I often see this parroted but it's not necessarily true. Properly configured and hardened SSH on an up-to-date system is, for all practical purposes, perfectly secure, even if it's facing the Internet.
I still only allow VPN inside my home network, but all my VPSs and dedicated servers (personal and work) have SSH facing the world. VPN is nice to have but not mandatory for this. Hardening SSH servers [1] must be done in all cases, even on "trusted" networks (there is no such thing as a fully trusted network).
Why would you even leave that vector for attack open if you didn't need to?
Seems unnecessary.
@Lateralking
A VPN is an attack vector, too, and as @vegetaaaaaaa said, it's not like you can slouch on hardening ssh regardless of where it listens.
It also adds complexity. One more thing to go wrong.
Do what you like, of course. Your devices, your choice.
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