If an attacker sends a large number of SYN requests with fake source addresses, the server side will consume a lot of resources to handle this semi-connection, and saving traversal will consume a lot of CPU time and memory, not to mention retrying SYN + ACK on IP in this list. TCP is a reliable protocol, and messages will be retransmitted at this time. The default number of retries is 5. The interval time of retries is doubled from 1s to 1s + 2s + 4s + 8s + 16s = 31s respectively. After the fifth time is sent out, it will take 32s to know that the fifth time has timed out, so the total is 31 + 32=63s.
Attackers can use dig query and EDNS0 to carry out efficient DNS amplification attacks. Attackers want the widely existing open DNS parser to send dig query commands, set the udp message size in the opt rr field to a large value, and make the requested source ip address not the target ip address.
童岳迫切的翻开了下一页。
4. Return to the side of the moon mark to talk to her and choose "I would like to go with her". At this time, the moon mark will attract the monsters and help her clear away the monsters in her field of vision. After clearing the monster, he talked with the moon and went back to find the shadow.
永平帝也道：不错。
这部剧由《美国众神》作者尼尔·盖曼与《碟形世界》作者特里·普拉切特所著的同名幽默奇幻小说改篇（该小说名称是恶搞恐怖电影《凶兆 The Omen》）。 两位作家斩获了二十余次奇幻文学的头等大奖，写《好兆头》却只是为了让对方大笑出声。原著功力可想而知。
自古‘君为臣纲，父为子纲，夫为妻纲，当初投军首先是为国，其次是为家。
黄胖子摇头一笑：我是个实在人，这才跟你十两起的。
VIP重点班特别企划，重磅推出青春典藏版。讲述了叶子和向泽弈从青涩邂逅到甜蜜相恋，从相互依偎到支离破碎，两人经历了一系列曲折离奇的爱情故事。
葫芦诧异：秦伯伯咋能信你们？ show_style();。
铭德篮球队的队长钟大海，在高校联赛的关键时刻竟然变成了女生？！主治医生认为她的病例十分具有研究价值，答应帮她找出变回男生的办法，并助她化名钟言心以转学生的身份入学报道。失去了中流砥柱的篮球队濒临解散，钟言心只好求助于同校的青梅竹马陆星齐，却遭到他的戏弄。陆星齐的态度刻薄毒舌，根本不是自己印象中的那个仗义好兄弟，钟言心对两人的友情产生动摇，最终陆星齐以钟言心成为拉拉队员为条件答应了。钟言心忍辱负重穿上拉拉队服，成为全场焦点，而篮球队终于步入正轨。钟言心对陆星齐的恶意捉弄心怀不满，觉得无法再像钟大海一样当他是兄弟。两人在球队里针锋相对，小吵不断，钟言心却又在一次次比赛中找回熟悉的兄弟感觉，更发现自己对好兄弟有了别样的心思。
2. Color matching is easy to be dirty. It is recommended to use dark color.
Test Class
智友加入贩毒集团成为卧底警察,以追寻父亲死亡背后的真相。在复仇的过程中,她将直面残酷的事实。
抗日年间，山西大地上出现了四位抗日英雄——女妖宋无娇，鬼魂铁柱，绣花针廖天生，铁头侠杜大鹏，他们各怀绝技。各显神通躲避日军追踪，顺利将被鬼子植入病菌的美国人布鲁先生护送至太原医院及时救治。
What hurts you is the weightlifting belt you wear.
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