General Meanings:

Need of permission or support To hear knocking in the dream, this dream has a negative and positive meaning. This gives an opportunity or gives losses. Perhaps you are waiting for permission and support to start something important. You are knocking on a door in your dream, this is a sign that you are looking for help and support.

Traditional Meanings:

Arabian (Islamic)

• Unheard desires if knock on a door without opening it – This dream means that you wishes and desires will be unheard;
• Attention if hear knocking – This dream is a sign, that your unconscious wants to pay your attention to very important things and events in your life;
• Unhappy news if wake up because of knocking – This is not so positive dream, this shows that you will have serious and unpleasant news, which may affect your life;