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Facing TCP's three-way handshake protocol, how should attackers launch attacks? The attacker first intentionally initiated a handshake packet. After receiving it, the server puts it into the waiting queue and returns an acknowledgement. Secondly, the attacker will no longer send the third acknowledgement packet, thus the server will make multiple retransmissions (the Linux system configures the number of retransmissions through tcp_synack_retries), consuming a lot of extra overhead, and the waiting queue will be occupied, even the waiting queue will be full, eventually causing the server to be unable to receive the client's request. This is the attack.海边，帅气的男月嫂夏昭手里捏着写着“孙果果”的巫毒娃娃，他眼神中充满着愤怒。夜里下着大雨，夏昭诡异站在孙果果家门口，等待着什么。范根花信誓旦旦要来深圳照顾二儿媳孙果果月子，却被大儿媳爱爱阻拦，大儿子田闷不小心弄伤了范根花，田闷给弟弟田诚诚打去电话告知母亲受伤无法照顾果果，田诚诚因为请月嫂此事和孙果果起了冲突，二人争执时，那个神秘帅气的男月嫂夏昭突然造访……曾演出过《浴血黑帮 Peaky Blinders》演员Jack Rowan以及新演员Masali Baduza将主演BBC 6集反乌托邦剧《Noughts + Crosses》，这部剧改编自Malorie Blackman的同名YA小说，剧本由Toby Whithous e﹑Lydia Adetunji﹑Nathaniel Price及Rachel De-Lahay共同执笔，于南非开机拍摄。 《Noughts + Crosses》男女主角是Sephy和Callum（Jack Rowan及Masali Baduza饰演），Sephy来自黑人统治阶级「Cross」，父亲是著名政治家﹑Callum是低下白人阶层「Nought」；主角两人是青梅竹马，然而长大后他们关系变得复杂，同时间权力及偏见又想二人分开。 其他演员包括Paterson Joseph﹑Bonnie Mbuli﹑Kike Brimah﹑Helen Baxendale﹑Josh Dylan﹑Shaun Dingwall﹑Rakie Ayola及Jonathan Ajayi。7. Decorator)MindManager Frequently Asked Questions眼瞥见秦淼疑惑的神情和表妹尴尬的面容，葫芦愤怒了，对那个少年喝道：老鳖，你瞎说啥？再胡说，瞧我不揍你。