随着互联网的普及以及网络技术的不断发展,网络环境面临的安全问题越来越严重。如何更好的促进网络的有效运行,保障网络的安全环境,在很大程度上取决于防火墙的设置。现今社会网络安全、黑客攻击等现象频繁发生,基于防火墙背景下的网络安全技术探讨,成为重要的研究课题。 With the popularity of the Internet and the continuous development of network technology, the security problems facing the network environment are more and more serious. How to better promote the effective operation of the network to protect the security environment of the network, largely depends on the firewall settings. Today’s social network security, hacker attacks occur frequently, based on the firewall in the context of network security technology, has become an important research topic.