Unauthorized: Access is denied due to invalid credentials.

未经授权：因为认证无效而拒绝存取。

This will be the page which is displayed when a user attempts to log in with invalid credentials. It can be as simple as Listing 8

这将是当用户试图用无效凭证登录时所显示的页面。

The other data source, which has the credentials, responds to the Tivoli Directory Server's bind with a success or an invalid credentials error.

拥有凭据的其他数据源使用成功或无效凭据错误响应Tivoli Directory Server。

Thus, the user is immediately made aware that their credentials are invalid.

这样，用户马上就可以知道他们的凭证是无效的。

If the credentials prove to be invalid, return an error.

如果凭证经证明是无效的，那么便会返回错误。

OP authenticates user: If the user is not logged in or has an invalid session, he is asked to provide his login credentials.

OP 验证用户的身份：如果用户没有登录或者用户会话无效，就要求用户提供登录凭证。

For example, it is invalid to specify ccache when requesting acceptor credentials.

例如，当请求acceptor凭证时指定ccache是无效的。