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In TCP protocol, messages arriving at the destination will enter the buffer of the TCP stack and will not be forwarded to the receiving system until the buffer is full. This is to minimize the number of times the system empties the buffer. However, the sender can force the receiving system to clear the contents of the buffer by sending a TCP message with a PSH flag of 1. The TCP PUSH + ACK attack, like the TCP SYN attack, aims to deplete the resources of the victim system. When an attacker sends TCP messages with PSH and ACK flags set to 1 to the Target host, these messages will cause the Target system to clear all TCP buffers (whether the buffers are full or not) and respond with an acknowledgement message. If this process is performed by a large number of controlled hosts, the system will not be able to process normal data, resulting in denial of service.“小李飞刀，例无虚发”，昔年小李探花之飞刀绝技名震江湖，其嫡传弟子叶开，深得真传，挟技闯荡江湖，迅即声名鹊起。叶开受阿飞所托，一心保护心智迟钝而貌若天仙的上官小仙免受江湖中人滋扰，因江湖传闻上官小仙身藏有昔年威震武林的金钱帮一笔庞大的宝藏及上官金虹的武功秘笈，江湖中人遂起觊觎之心，叶开保护着上官小仙，就正如暴露于群鹰注视中的狐狸一样，无处可避，当叶开发觉堕入一个扑朔迷离的圈套内，处处受制于人，无法自拔，更赫然知悉发动该项阴谋的主谋竟是身边恍如白痴的上官小仙。而上官小仙在利用叶开之同时，亦深深爱上叶开，及其达成歼灭武林一些劲敌，取得一定的武林地位之余，方才发觉满以为垂手可得的爱情已失诸交臂，丁灵琳为叶开恋人，一心对叶开痴恋，虽几经上官小仙阴谋夺爱，处处陷害，仍是对叶开矢志不移，其坚贞之心也换来叶开终生不渝的爱情。Before SSL data transmission, both communication parties need to shake hands with SSL, negotiate encryption algorithm to exchange encryption keys, and carry out identity verification. Usually such SSL only needs one time, but there is a Renegotiation option in SSL protocol, through which the secret key can be renegotiated to establish a new secret key.1960年代中期的一个夏天，《誓言无声》的故事已经过去三年了。原子弹爆炸成功以后，我国核导弹的研制也已经进入了最后阶段。敌对势力对此极为关注。台湾安全委员会所属的101和102两个特务机关，分别积极进行空中侦察和渗透破坏活动。反间谍总部受命在此期间务必采取有效措施，打击特务活动，确保核导弹研制工作的安全。日本媒体报导，志田未来将主演10月开播的TBS系连续剧《小公主Sara(萨拉)》。原作《小公主》于1887年问世，是一部在全世界都很有名的儿童文学作品。该剧是一部犯罪动作搜查剧，讲述一次都没放下过案件的重案组“Outside Black-dog”刑警、满怀热情但苦于收视率不振的调查报导组PD、前职是侧写师的生活型侦探、隐藏过去经营着酒吧的传说的核爆社长、原本是国科搜精英解剖检察官的丧礼指导师，这5个人集合起来痛快且温暖地处理未解决案件的故事。