求翻译：随着Internet的迅猛发展，安全性已经成为网络互联技术中最关键的问题。本文介绍了防火墙的概念及其功能。防火墙是一种访问控制技术，它通过在某个机构的网络和不安全的网络之间设置障碍，阻止信息资源的非法访问。又系统地介绍了网络防火墙系统的基本设计原则的基础上阐述了Internet网络中的防火墙技术。分析了防火墙技术在Internet安全上的重要作用，并提出其不足之处和解决方案。最后阐述了用户在选择防火墙软件时应注意哪些问题。是什么意思？

With the rapid development of the internet, security has become the most critical issues of networking technology. This paper introduces the concept and function of the firewall. A firewall is an access control technology, and by obstacles between an organization's network and an insecure network to

With the rapid development of Internet security has become a networking technology in the most critical issues. This document describes the concept of a firewall and its features. A firewall is a type of access control technology, which in a network of institutions, and non-secure network set up obs

With the rapid development of the Internet, security has become the most key issues in Internet technology. This article describes the concepts and features of the firewall. A firewall is a kind of access control technology, through a network of agencies and unsafe barriers between the network and p