Local Network Privacy FAQ

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I regularly get asked questions about local network privacy. This is my attempt to collect together the answers for the benefit of all. Before you delve into the details, familiarise yourself with the basics by watching WWDC 2020 Session 10110 Support local network privacy in your app.

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Quinn “The Eskimo!” @ Developer Technical Support @ Apple
let myEmail = "eskimo" + "1" + "@" + "apple.com"

Local Network Privacy FAQ

With local network privacy, any app that wants to interact with devices on your network must ask for permission the first time that it attempts that access. Local network privacy is implemented on iOS, iPadOS, and the current visionOS beta. It’s not implemented on other platforms, including macOS and tvOS.

Some common questions about local network privacy are:

Revision History

  • 2023-10-31 Fixed a bug in the top-level FAQ that mistakenly removed some recent changes. Added FAQ-18.

  • 2023-10-19 Added a preamble to clarify that local network privacy is only relevant on specific platforms.

  • 2023-09-14 Added FAQ-17.

  • 2023-08-29 Added FAQ-16.

  • 2023-03-13 Added connecting a UDP socket to FAQ-2.

  • 2022-10-04 Added screen shots to FAQ-11.

  • 2022-09-22 Fixed the pointer from FAQ-9 to FAQ-10.

  • 2022-09-19 Updated FAQ-3 to cover iOS 16 changes. Made other minor editorial changes.

  • 2020-11-12 Made a minor tweak to FAQ-9.

  • 2020-10-17 Added FAQ-15. Added a second suggestion to FAQ-13.

  • 2020-10-16 First posted.

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