Perimeter Security
Software Engineer path · lesson 87 of 99Explore how Firewalls, DMZs, VPNs, and SSH secure the boundary between a private network and the internet.
Server
Firewall, DMZ or VPN?
Sort each description into the perimeter control it describes.
Tap a piece, then tap where it goes — or drag it. Tap the tray to take one back.
Firewall
Drop items hereDMZ
Drop items hereVPN
Drop items hereTest your knowledge
Which architecture component is designed specifically to host public-facing services while protecting the internal intranet?
The short version
A Perimeter is like a castle's defenses. The DMZ is the courtyard between the outer and inner walls where merchants trade. The VPN is a secret underground tunnel for knights to enter safely. SSH is the heavily guarded back door for the castle administrators.
In more depth
Perimeter Security
The network perimeter is the boundary between your private, managed network and the public, untrusted internet.
Key Concepts
Interview Questions
References & Further Reading
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