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How do you secure your home lab? (alien.top)

submitted 11 months ago by Ok_Plate_6961@alien.top to c/homelab@selfhosted.forum

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Started off by

Enabling unattended updates
Enable only ssh login with key
Create user with sudo privileges
Disable root login
Enable ufw with necessary ports
Disable ping
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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[–] gargravarr2112@alien.top 1 points 11 months ago

If someone or something malicious gets a shell account on my systems, then it at least stops them doing anything system-wide. And yes, if a script is going to request admin rights to do something, it'll stop right at the sudo prompt. Passwordless, it could do stuff without you even being aware of it.

Whether or not this is a line of defence at all is open to debate.