信息安全对于建立了企业网的企业用户来说,其重要性不言而喻。通过每周电脑报的调查表明,今年企业最为关心的五个问题中,网络安全被排在了首位。但是,安全意识的增强不等于安全认识的提高,企业在构建网络时仍旧存在安全误区。有些企业一下子就上了2套安全系统,一套国外产品,一套国内产品。他们认为国外产品可能存在后门,所以要借助国内产品来“堵住后门”。虽然这种担心并不是 Information security is very important for enterprise users who have established a corporate network. According to a weekly computer survey, among the five issues that companies are most concerned about this year, cyber security has been ranked first. However, the increase in security awareness does not mean that security awareness increases. Enterprises still have security mistakes in building networks. Some companies immediately put on two sets of security systems, a set of foreign products, a set of domestic products. They believe that foreign products may have a back door, so they have to use domestic products to “block the back door”. Although this concern is not