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剧照It should be noted that: 1. Attackers often choose systems based on UDP protocol, because UDP protocol is unreliable and can forge source IP; 2. Attackers often choose services whose response packets are larger than the request packets. Based on this, the services that are generally attacked include DNS service, Memcached service, etc.这样扛着走也方便，省得你挣扎顿了一下，他提示道：娘不但喜欢她，她家跟咱们家也算是世交。青春就是在奔跑中受伤，又在颠沛流离中期待阳光。青梅竹马的李涛（任宥纶 饰）和张声（廖语辰 饰）因命运相知相识、因网球互助扶持：面对家人对选择网球之路的反对，张声毅然支持李涛；不慎受伤影响网球生涯，是李涛赋予张声前行的力量...两人在一次次挫折中渐明爱意，而张声永远的保护伞卫畅（卢东旭 饰）、心属卫畅的付萌萌（章乐韵 饰）也大胆追梦、勇敢逐爱，即使受伤依然无所畏惧，鲜衣怒马的少年们最终都以青春的意志和昂扬的姿态收获了自己的成长。Launching reflective attacks requires finding a large number of transmitters on the Internet. Some kinds of reflective attacks are not difficult to implement. For example, for ACK reflective attacks, only servers with open TCP ports on the Internet need to be found, and the existence of such servers on the Internet is very extensive.