Most of these approaches are not foolproof, however, and can be circumvented by various methods. Remember, the original design of the Internet was to make it resistant to disruptions, so censorship is difficult.
लेकिन, इनमें से अधिकतर प्रणालियाँ अचूक नहीं हैं, और विभिन्‍न तरीक़ों से इनमें हेर - फेर की जा सकती है ।