硬件防火墙（Hardware firewall）.doc

硬件防火墙（Hardware firewall） With the popularity and rapid development of Internet applications, network security has become one aspect of peoples ultimate concern. Virus and hacker attack are the main hidden dangers of network security, and they always threaten the security of computer systems that are used in Internet applications. Network firewall as the main means to prevent hacking, also has become the necessary equipment for the construction of network security, not only for the enterprises and units stick network need, even individual users nowadays has become the essential means of firewall security, although the vast majority of individual users or the use of personal firewall software. This article is to introduce the hardware firewall equipment purchase should pay attention to, of course, adapt to the user is also mainly enterprises, institutions. At present, the network firewall equipment on the market is not only a wide range of brands, even different grades of products are dazzling, ordinary users can not adapt. Then, how to choose the firewall products that can meet the needs of their own enterprises and achieve the maximum security effect? Based on the use of firewall and maintenance experience, summed up the following ten elements. 1., the brand is the key, because firewall products are high-tech products, the production of such equipment requires not only a strong backing of funds, but also in the technical strength needs strong protection. Choose a good brand, to a certain extent, also choose good technology and services, the future use of more secure. So in the purchase of firewall products dont just covet cheap, buy some brand-name products. At present, foreign famous brand in the firewall product development, production: 3COM, Cisco, Nokia, NetScreen, Check, Point and so on, these brands relatively strong technical strength, but also can provide high-end products, of course, the price is compared to introduce the following domestic brands more expe