4

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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[-] Comfortable-Cause-81@alien.top 1 points 11 months ago

ssh default port is 22.

Really, unless I'm trying to learn security (valid), or have something to protect. I do the basic best practices.

Real security is an offline backup.

[-] PreppyAndrew@alien.top 1 points 11 months ago

SSH port really doesnt matter. If it is an exposed SSH port, it will probably get picked up if its 69 or 22.

this post was submitted on 22 Nov 2023
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