多数通过Internet进行的通信,无论它是有关一个公司产品发布的E-mail,还是由Web浏览器生成的HTTP通信内容,都是未经加密的,网络管理人员是否要为它的安全状况担忧呢? 就多数情况而言,这种担心是没有必要的。尤其从E-mail的安全情况来看,人们很容易看出哪里可能有安全漏洞,破坏行为不是那么普遍。对入侵者来说,查看Internet数据也许是可能的,但一般来讲,这种情况不会发生,除非网络管理人员错误地配置了服务器或路由器,从而留下了允许外来者侵入的缺口。利用探测装置捕获原始数据包对外 Most communications over the Internet, whether it is about an E-mail published by a company’s product or an HTTP-generated content generated by a Web browser, are unencrypted and are network managers concerned about their security posture? In most cases, this concern is not necessary. In particular, from the security situation of E-mail, people can easily see where there may be security vulnerabilities, vandalism is not so common. It may be possible for intruders to view Internet data, but in general this does not happen unless the network administrator incorrectly configures the server or router, leaving a gap that allows outsiders to invade. Use probe device to capture the original data packet