this post was submitted on 28 Nov 2023
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i want to remotely ssh to my home server, and I was wondering if I could just forward port 22 with disabling password login and use pubkey authentication will be safe enough?

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[–] dev_all_the_ops@alien.top 1 points 1 year ago (2 children)

Port forwarding will work, but it has major downsides

  1. Will draw attention of bots
  2. Secure as long as there are no security holes in openssh (which is rare but has happened)
  3. You _must_ harden the ssh server by disabling password auth, putting behind fail2ban

There are far better and safer alternatives that I would recommend over exposing a raw port to the world.

  1. Tailscale
  2. Wireguard/OpenVPN
[–] Innominate8@alien.top 1 points 1 year ago
  1. The bots are looking anyways.
  2. The other options being presented are various VPNs. OpenSSH has far more eyes on it, for much longer than any of the VPNs. Both generally run as root on the host and so have similar attack surfaces.
  3. Disabling password auth is less important than having good passwords, but is still a good idea since turning off passwords guarantees no bad passwords. Fail2ban provides no security.
[–] warysysadmin@alien.top 1 points 1 year ago

I would also add twingate as an alternative.