口令安全浅析

口令破解是网络安全中的重要技术，文章分析了口令破解的原理，以及口令破解的实质，由此引出如何避免口令破解。口令破解的类型分为暴力攻击、混合攻击和字典攻击三种类型。避免口令被破解的最佳方法是实施口令策略。口令策略中应该包括要求口令同时使用大写字母、小写字母、数字和符号等。口令策略还应该要求有规律地更换口令，并在口令输入错误几次后锁定帐户。

Password Security

Password cracking is an important network securty technology. This paper analyzes the principle of cracking passwords, and Windows password system to break the analysis of the methods and tools to crack passwords in real terms, which leads to how to avoid detection and to crack passwords. Password to crack into the type of violent attacks, dictionary attacks and mixed three types of attacks. Avoid password cracking was the best way is to implement the strategy password. Strategies should include in the password request to use capital letters, lower ease letters, numbers and symbols, and so on. Password strategy should also be asked to replace passwords regularly, and enter the wrong password a few times to lock the account.