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Glossary/Demilitarized zone (network)

What is Demilitarized zone (network)?

In short

A demilitarized zone is a network segment between the internet and the internal network, separated by firewalls, that hosts public-facing servers such as web and email servers.

Key takeaways

  • If a public server is compromised, the attacker still doesn't have direct access to the internal network.
  • Traffic from it to the internal network is tightly restricted.
  • It is a form of network segmentation.

Where it's tested

ISC: Information Security Fundamentals — study notes, a five-minute revision sheet and practice questions.

Practise: 3 questions

Question 1 of 3 · 0 answered

To send a confidential message that only the intended recipient can read, which key should the sender use to encrypt it?

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