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Describe confinement principle in brief.

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By Dipali Umre

The confinement principle is like a security rule that prevents a server from spilling out information that should be kept secret according to the user. Imagine a client talking to a server: the client asks for information, the server does some work, and then sends the results back. The confinement principle is about making sure the server only uses and shares the information in the right way.

There are two main goals:

  1. Service Provider’s Goal: The server should only use resources that the client is allowed to access. It’s like the server following the rules and only accessing what it’s supposed to.
  2. Service User’s Goal: The server must not spill the client’s data to anyone who shouldn’t see it. It’s like keeping the client’s secrets safe and not telling them to unauthorized people.
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