Nsg Articles

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3/23/2026 • EN

When To Add Subnets To An Azure Virtual Network

Explains why subnets in Azure Virtual Networks don't provide security segmentation, advocating for simpler NSG-based designs.

Azure Virtual Network Network Segmentation Nsg Subnets Vxlan

Aidan Finn

2/20/2025 • EN

Beware Of The Default Rules In Network Security Groups

Explains a critical security misconception in Azure Network Security Groups: the 'VirtualNetwork' default rule allows traffic from more sources than expected, creating a vulnerability.

Azure Cloud Security Default Rules Network Security Nsg

Aidan Finn

2/18/2025 • EN

How Do Network Security Groups Work?

Explains how Azure Network Security Groups (NSGs) work, tracing their origins to Hyper-V Port ACLs and covering Admin Rules.

Azure Network Security Nsg Port Acls Virtual Networking

Aidan Finn

Nsg Articles

When To Add Subnets To An Azure Virtual Network

Beware Of The Default Rules In Network Security Groups

How Do Network Security Groups Work?

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