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## ios_lockdown_diag_services.md

      
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                / ios_lockdown_diag_services.md
            
            
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              May 12, 2023 15:14
            
              
                iOS Lockdown Diagnostic Services
              
          
    TL;DR


Pairing an iOS device to a host (computer running iTunes) gives that host significant access to data on the iOS device and requires connecting the unlocked iOS device to a host over USB
Once paired, that host (or another host that has stolen its pairing record) can access significant amounts of user personal data from the iOS device over USB and Wi-Fi through the com.apple.mobile.file_relay and com.apple.mobile.house_arrest lockdown services
These services will not return user data files that are encrypted and locked by iOS Data Protection but the files returned by file_relay are not protected by iOS Data Protection and do include significant amounts of personal user data that would otherwise be encrypted in iTunes encrypted backups ("Encrypt Backup" is enabled)
The com.apple.mobile.file_relay service is not used or referenced by any public Apple software so its intended client software is unknown outside of Apple
Apple released a [Knowledge Base article](https://support.apple.co