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Ask HN: Linux:How to protect mp4 file from copying but being able opened to play

• phendrenad2 6y ago
  On a Linux machine owned by you? Easy, force the user to log in as a user with no access to the shell, file managers, etc. They'll have no way to copy the file. On a Linux machine owned by someone else? You'll have to use the concept of DRM, and unfortunately DRM on Linux is crippled by it's open-source nature. The kernel isn't locked down the way the Windows and MacOS kernels are, so you can't rely on the OS as the root of trust.
  • paedubucher 6y ago
    "unfortunately" If you want DRM, go to Microsoft or Apple.
    • mardiyah 6y ago
      Apple is *Nix ie. another Linux isn't it, so how can it have DRM?
• undecoded 6y ago
  Will your next question be like "how to prevent screen capture"?