当今,Internet的使用越来越普及。企业或其他单位在接入Internet时,一般都要通过代理服务器。这主要是由于代理服务器具有许多优点,比较突出的是:首先,通过代理服务器可以节省合法IP地址的使用;其次,代理服务器具有动态包过滤功能,因此可兼做防火墙;第三,代理服务器具有访问管制功能。因此,在很多企业中都使用代理服务器。 Today, the use of the Internet is becoming more and more popular. Enterprises or other units in the access Internet, usually through the proxy server. This is mainly due to the proxy server has many advantages, the more prominent are: First, through the proxy server can save the use of legitimate IP address; Second, the proxy server with dynamic packet filtering, it can also serve as a firewall; Third, the proxy server has Access control functions. As a result, proxy servers are used in many businesses.