Recently,worms influence the normal processing of Internet. Usually,people protect and eliminate worms when the network is broken.

• 近几年来,互联网络中蠕虫不断出现,影响了网络的正常运行,一般情况下,只有在蠕虫发作并引起网络中断后,人们才开始防范与采取清除措施。