Traditional password authentication schemes are vulnerable to replay attacks because of the fixed password and unchanged messages submitted by users for verification.

由于每次登录时用户提交的认证信息都是固定不变的，传统的口令认证机制容易遭受回放攻击。

youdao

In this case, it just checks the supplied username and password against fixed values, but it could easily use a database lookup or other mechanism instead.

在这里，它只是针对固定值检查提供的用户名和密码，但它可以轻松使用一个数据库查询或其他机制替代。

youdao

Fixed: Use cached password when connecting to IP + port.

固定：在连接到知识产权+端口时使用缓存的密码。

youdao

And the password management tools only work with a fixed list of predetermined Web sites in many cases.

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