论文部分内容阅读
一、序言 随着Internet/Intranet的迅速发展,网络运行中的安全问题变得日益严重起来。另外,由于网络通讯费用居高不下,极大地限制了那些已建成的网络发挥正常的作用。 代理服务式防火墙是解决上述问题的一种较好的方法。它使客户程序与特定的中间节点(代理服务器,Proxy Server)连接,然后中间节点与期望的服务器进行实际连接。 二、代理服务系统的实现 1.软件选择 Windows NT下的代理服务软件有多种,如WinGate Pro、Microsoft Proxy Server、Netscape Proxy Server和Ositis Software WinProxy等,这些产品均能提供对Internet上的信息更快速的访问和网络层的安全性。相比之下,Microsoft Proxy
First, the preface With the rapid development of Internet / Intranet, security problems in the operation of the network become increasingly serious. In addition, due to the high cost of network communications, which has greatly restricted the already built network to play a normal role. Proxy-based firewall is a better way to solve the above problems. It connects the client to a specific intermediate node (proxy server, Proxy Server), and the intermediate node makes the actual connection to the desired server. Second, the realization of the proxy service system 1. Software Selection There are many proxy service software under Windows NT, such as WinGate Pro, Microsoft Proxy Server, Netscape Proxy Server and Ositis Software WinProxy, etc. These products can provide more information on the Internet Fast access and network layer security. In contrast, Microsoft Proxy