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this post was submitted on 23 Aug 2023
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if you configure ssh access only from your home ip - then fail2ban is not needed.
But if your home ip ever changes, you‘re fucked. I would never do that. Pubkey is the way.
usually i add more than 1 ip and also vultr firewall can be managed to change ip. tailscale can be used as well. there are options!
That’s good! Had me worried there.
Method of authentication doesn't matter if there's a pre-authentication vulnerability: https://thehackernews.com/2023/02/openssh-releases-patch-for-new-pre-auth.html
Instead of exposing multiple services, I would recommend just one VPN for remote access. Less attack surface.
Thats how I do it. But I also have physical access so if the vpn fails I don’t get locked out.
Oh perfect thanks