Ubuntu Checklist


While not all-encompassing this checklist should provide some guidance on how to approach securing a Ubuntu system. The applicable operating system version is noted at the top of the checklist. The layout of this checklist is meant as a castle defense. It is arranged to protect and operating system from the outside in buying blue-teamers time to preform hardning and countermeasures.


  • Firewall
  • Network
  • Users
  • Services
  • Applications
  • Files
  • Special Considerations

Firewall

The firewall is a literal wall between the the fire and the host. The origination of the term firewall comes from industry where it was used to separate compartments.

In Ubuntu we access the firewall by issuing the following command.

sudo ufw

This command is used withe the Uncomplicated FireWall (ufw) application.