- Turn off password login for SSH and only allow SSH keys
- Cloudflare tunnel
- Configure nginx to resolve the real IPs since it will now show a bunch of Cloudflare IPs. See discussion.
- Use Fail2ban or Crowdsec for additional security for anything that gets past Cloudflare and also monitor SSH logs.
- Only incoming port that needs to be open now is SSH. If your provider has a web UI console for your VPS you can also close the SSH port, but that's a bit overkill.
this post was submitted on 08 Jul 2023
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