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

True, and 100% agree except I forgot to mention

1.) The fortigate has a known list of botnet command and control servers that are blocked 2.) I only allow them to access their home server domain names for the only purpose of allowing for firmware updates. They are not capable of accessing any other domains or IPs

this post was submitted on 22 Nov 2023
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