Set networkIsolationPolicy in Azure pipeline - #330
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MSLukeWest
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Jul 31, 2026
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Pull request overview
Updates the Azure DevOps (ADO) official build pipeline to pass a network isolation configuration into the 1ES MicroBuild template, aiming to ensure the build environment cannot reach disallowed external package feeds (e.g., nuget.org).
Changes:
- Adds
settings.networkIsolationPolicyto theextends.parametersblock in the ADO pipeline YAML.
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| settings: | ||
| networkIsolationPolicy: Permissive,CFSClean,CFSClean2,CFSClean3 |
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That's what everyone else does. Permissive is first anyway, CFSClean will block.
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When this code builds in ADO, it's not supposed to use nuget.org as a feed, and I stopped using it with a recent PR. But the network isolation policy also needs to be set to really block it. I copied this from many other pipelines.