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Why FileCloud desktop on MacOS requires full access to local network permission

Original Question or Issue:

Why FileCloud desktop on MacOS requires full access to local network permission


Environment:

  • Product -  FileCloud Desktop
  • Version - 
  • Platform - MacOS

Steps to Reproduce:

Install FileCloud Desktop and try to connect to FileCloud URL using a LAN IP


Error or Log Message:

 


Defect or Enhancement Number:

 


Cause:

macOS Sequoia (15.0+) introduced Local Network Privacy, it triggers automatically for any third-party app that makes TCP/UDP connections to devices on the local network. The checks are enforced in the networking stack and apply to all networking APIs (see Apple's TN3179: TN3179: Understanding local network privacy | Apple Developer Documentation ). FCD triggers this prompt if FileCloud server configured in FileCloud Desktop is on the same local network as the client


Resolution or Workaround:

This is the expected behaviour and if private IP DNS is used for FileCloud URL, local network access permission should be given in macOS


Notes: