Locking Down Linux: Using Ubuntu as Your Primary OS, Part 2 (Network Attack Defense)

After installing Ubuntu as your primary OS, you should have protected against USB Rubber Ducky payloads, defended against hard drive forensics, and reduced the overall attack surface against physical strikes. When defending against network-based attacks, you'll want to minimize hardware disclosures, prevent packet sniffers, harden firewall rules, and much more. To be more specific, in this part of mini-series for strengthening your primary Ubuntu installation, you'll learn to spoof your MAC address to trick passive attackers, disable unused networking services such as CUPS and Avahi, create... more

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