this post was submitted on 22 Nov 2023
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Homelab

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Started off by

  1. Enabling unattended updates
  2. Enable only ssh login with key
  3. Create user with sudo privileges
  4. Disable root login
  5. Enable ufw with necessary ports
  6. Disable ping
  7. Change ssh default port 21 to something else.

Got the ideas from networkchuck

Did this on the proxmox host as well as all VMs.

Any suggestions?

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from the internet side, I lock down ssh or administrative stuff to local network, and specific IPs, like work. inside my network, everything has a password to access, no defaults. vlans for specific use servers, etc.