Microsoft Azure Virtual Network
Network Security Groups
In this lecture, we'll explore the concepts behind Network Security Groups in Microsoft Azure Virtual Networks. Network Security Groups are essentially groupings of firewall rules that can be applied to an entire Virtual Network subnet, or to a specific Network Interface that is typically attached to a Virtual Machine. Network Security Groups allow or deny network traffic, based on a variety of attributes, such as TCP or UDP, source and destination TCP or UDP port numbers, and others.
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About the Author
Trevor Sullivan is a Microsoft MVP for Windows PowerShell, and enjoys working with cloud and automation technologies. As a strong, vocal veteran of the Microsoft-centric IT field since 2004, Trevor has developed open source projects, provided significant amounts of product feedback, authored a large variety of training resources, and presented at IT functions including worldwide user groups and conferences.