How can the filter methods in ruby on rails be protected?

 Some of the methods are listed below which are used for the protection of filters: –

  • Public: any external class or method that uses the same class in which it is defined can access this method.
  • Protected: these can be used only within the class in which they are defined and the classes that inherit from the class in which they are defined.
  • Private: these can be accessed only within the class in which they are defined.

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