网络密码安全主要在于注意共享目录。我们的计算机在局域网内时,为了方便,经常是允许别人共享自己的文件和打印机,同时,还常常把某个文件夹甚至整个硬盘分区共享,连密码也没有,如果这样子直接登录到因特网时,会发生什么事?Internet实际上是一个大的广域网,一旦我们拨号上网,这台电脑就成了网上的一个节点,分配了一个真实的IP地址,那么你的共享目录就暴露给所有的Internet用户了。用过Windows局域网的用户可能知 Network password security is mainly concerned with the shared directory. When our computers are in the LAN, for convenience, we often allow others to share their own files and printers. At the same time, we often share a folder or even the entire hard disk partition without any password. If we log in directly to the Internet like this , What happens? Internet is actually a large WAN, once we dial-up Internet, this computer has become a node on the Internet, assigned a real IP address, then your shared directory is exposed to all Internet User Windows LAN users may know