一般来说,要想从局域网连上Internet ,访问外网,总要经过用户授权验证。 此验证不是只输一次了事。 每次提示输入用户名和密码, 相当于进行一个Session,只能维持一段时间的连接,此时间间隔很短,接着又得重新输入用户名和密码,令人浏览WEB 时极其不便。 这是因为局域网和Internet 之间有一层防火墙, 为了便于管理,在防火墙上设置了权限验证机制所致, 但给用户带来了不便,这里旨在提出一种较为简单的方法, 用C++6.0 编制一段程序来解决这个问题。-In general, in order to connect from the LAN to the Internet, access the external network, always go through the authorization verification. This validation not only lost once trouble. Each prompted for a username and password, which is equivalent to a Session, the connection can only be maintained for some time, this interval is very short, and then they have to re-enter your user name and password, it is extremely inconvenient when browsing WEB. This is because there is a layer between the LAN and the Internet firewall, in order to facilitate the management, set the permissions on the firewall due to the authentication mechanism, but the inconvenience to users, here to present a relatively simple method in C++ 6.0 preparing a program to solve this problem.