代理掀询问本地或远程用户进行信息确认，比如图书证号或学号，再判断是否允许访问。
It asks home and distance users for validation, such as a library card number or student id before allowing access.
通过UNIX命令行可以很容易地下载和上传文件、连接到远程计算机并询问遥远的服务器和网络的状态。
The UNIX command line readily downloads and uploads files, connects to remote computers, and interrogates the state of far-flung servers and networks.
建立安全的通信后，Connection Manager向远程应用程序发送一个基于表单的询问，要求对方提供用户凭证。
After secure communications have been established, the Connection Manager sends a form-based challenge to the remote application prompting for user credentials.
应用推荐