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

submitted 1 year 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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[–] sysadminafterdark@alien.top 2 points 1 year ago

Take a look at CIS benchmarks and DoD STIGs. Many companies are starting to harden their infrastructure using these standards, depending on the requirements of the environment. Once you get the hang of it, then automate deployment. DO NOT blow in ALL of the rules at once. You WILL break shit. Every environment has security exceptions. If you’re running Active Directory, run Ping Castle and remediate any issues. Audit often, make sure everything is being monitored.