Debian Administration (Debian 11 to 13)
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Lesson 16 of 20 · Security

nftables firewall and AppArmor on Debian

45 min Debian 12 Versions 11, 12, 13

Objective

Protect a Debian server exposed to the Internet with two layers: an nftables firewall that only lets in the services you want, and AppArmor, which limits what a program can do even if it is hacked.

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