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Networking: VNet & NSGs
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Virtual Networks (VNet) and Security
- VNet: The fundamental building block for your private network in Azure. It enables Azure resources (like VMs) to securely communicate with each other, the internet, and on-premises networks.
- Network Security Group (NSG): This acts as a firewall for your subnet or specific VM network interface. It contains a list of security rules (Allow/Deny) based on Source IP, Destination IP, Port, and Protocol.
- Example: Allow TCP traffic on Port 80 (HTTP) from the Internet to your Web Server subnet.