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在寻找过程中，卫斯理面对同甘共苦的知心爱人白素，和与其有着莫名情愫的方天涯，陷入了两难境地。美丽寂寥的可可西里安睡在宁静中。突然，枪声打破宁静，保护站上的巡山队员 被盗猎者残杀，鲜血染红戈壁，又一批藏羚羊群惨遭屠戮……Since http is based on tcp, You need to complete a three-way handshake to establish a tcp connection before you can start http communication, Therefore, when http flood attacks are carried out, it is not possible to use forged source ip addresses to launch attacks. An attacker will typically use an http proxy server, Not only can the source be hidden from being traced, It also improves attack efficiency-after the attacker connects to the proxy server and sends the request, You can directly disconnect from the proxy server and start connecting to the next proxy server, At this time, the http connection between the proxy server and the target web server is still maintained, and the web server needs to continue to accept and process data. An efficient http flood attack should continuously send http requests for different resources and pages, and request resources that cannot be cached as much as possible (such as keyword search. User-related information, etc.)这样一个画面定格在每一个人心头，山洞中鸦雀无声，众人一时间都忘了喝彩。漫长的伊拉克战争已然将为数众多有幸存活下来的美国士兵痛苦不堪。退役回国几乎成了所有士兵的梦想。如今，终于盼到兵役期满回国的布兰顿·金中士本打算在德州老家和自己的家人、好友斯蒂夫·史瑞弗重新营造起曾经逝去的平静生活。但“山姆大叔的一纸调令又彻底粉碎了他的美好意愿。来自美军的“止损条例(Stop-Loss Procedure)”再度将像布兰顿这样的一大批退役士兵重新召集到了伊拉克。作为严格服从命令的军人来说，只能服从。在布兰顿的矛盾中，充分体现出战争对士兵乃至所有与之有关的人们的痛苦折磨无处不在。毕竟越国的人口基数有限，增加也会是逐步进行的。