![clip, transcription below|video](firewalls_you_did_nothing_for_security.mp4)

Source: https://www.youtube.com/watch?v=fKuqYQdqRIs&t=875

**Fabian**: Here is a piece with three listening ports.
**Fabian**: Send me an HTTP request to this window, and I will respond. Send me brute forcing SSH attempt, and I tell you if the password was wrong.
**Fabian**: Now let's add the firewall, as recommended.
**Fabian**: Here it is, everything is blocking, except these open windows, these ports.
**Fabian**: And look at that! They match! You achieved nothing! Security-wise, you did nothing!