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this post was submitted on 23 Aug 2023
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Selfhosted
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Ah ok thanks for the info! Do you know if vultrs firewall would make installing fail2ban redundant?
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.
Oh perfect thanks