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Sunday, January 14, 2024

Network security groups: Azure NSG rules priority

 

PriorityA number between 100 and 4096. Rules are processed in priority order, with lower numbers processed before higher numbers, because lower numbers have higher priority. Once traffic matches a rule, processing stops. As a result, any rules that exist with lower priorities (higher numbers) that have the same attributes as rules with higher priorities aren't processed.
Azure default security rules are given the highest number with the lowest priority to ensure that custom rules are always processed first.

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