Network Segmentation Guide: VLANs, Zones and Firewalls
Network segmentation separates users, servers, IoT/OT and guest networks into controlled security zones instead of leaving them on one trust plane.
Why This Topic Matters
Network segmentation separates users, servers, IoT/OT and guest networks into controlled security zones instead of leaving them on one trust plane.
Key Decision Points
Define security zones by function and risk.
Do not treat a VLAN alone as a security control.
Restrict inter-zone traffic with firewall policies.
Separate management networks from user traffic.
How This Content Was Prepared
Doz Teknoloji Technical Team
This content is based on the technical evaluation approach used across Doz Teknoloji's enterprise IT practice areas.
Technical criteria + primary sources
The topic was cross-checked against vendor documentation, standards bodies and relevant official technical sources.
Improve decision quality
The goal is not only to define a technical term, but to make the decision criteria visible before a purchase, architecture or operations decision.
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