In order to ensure that the balance of information,
the protection of all aspects of the network information to conduct a comprehensive, thus make the barrel principles of
network information security.
Barrel principle on the system of security vulnerabilities and security threats of every aspect,
in the aspect of prevention to ensure that each to break into the weakest place in the system can be found,
the design of information security system, evaluation and testing of any part is not to be missed.
Put an end to the most common attack means successfully breached the security of the system is a security mechanism and security service design original motivation, but from another perspective,
is essentially in order to ensure the safety of the whole system performance, will be safe low coefficient increases.