一些网络管理者正在开始接纳Internet安全防火墙,把它视为解决这个复杂难题的魔弹。但假如以为只需简单地建立防火墙,就能使网络完全防止入侵的话,则还是服一剂现实的清醒剂为好。 防火墙产品包括过滤式路由器,线路级网关和应用级网关,它们的任务是防止无关的网络用户随便接触公 Some network managers are beginning to accept Internet Security Firewall as a magic bullet to solve this complex problem. But if you think that simply set up a firewall, you can make the network completely prevent intrusion, then still serve a realistic sober agent as well. Firewall products include filtering routers, line-level gateways and application-level gateways, and their task is to prevent unrelated users of the Internet from accessing the public