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Before performing an SSL data transfer, Both sides of the communication must first shake hands with SSL, The encryption algorithm has been negotiated to exchange the encryption key, Perform identity authentication, Normally, This SSl handshake process only needs to be performed once, But there is a Regegotiation option in the SSL protocol, It allows renegotiation of the secret key to create a new key, The attacker repeatedly carries out the key renegotiation process, and the key renegotiation process requires the server to invest 15 times more CPU computing resources than the client. In addition, even if the server does not support Renegotiation, the attacker can still create similar attack effects by opening a new SSL connection separately.Jared Mauch of the Open DNS Parser Project told Threat Post that the botnets involved in the Spamhaus attack used more than 30,000 unique DNS parsers. "If a wider attack is carried out, the combined power of these parsers may be used by criminals to paralyze most of the systems of this global network. "　　▪ 因孩子罹难濒临破碎的_受害者家庭这是一个关于“家”的故事。 透过春节（冬）、清明（春）、端午（夏）、中秋（秋），这四个团聚在一起的季节、这一年的人事与情感变化，带出这家人的大城小事。奥特曼，地球的守护者，曾经打败和驱逐了无数意图占领、破坏地球的邪恶外星人。但这些外星人却趁着奥特曼身处宇宙边缘执行任务时，再度入侵。面对这些具备着各种各样能力的外星入侵者，奥特曼的接班人、新一代地球守护者——钢铁飞龙挺身而出，担任起守护地球的重任。5位性格各异的队员，在奥特曼的指导和加持，以及一次次的战斗中明白，只有团队合作，取长补短才能战胜越来越强大的外星入侵者。电视剧《欢喜游龙》讲述的是1898年（清光绪二十四年） 戊戌变法失败，其时 内忧外患 四海不升平，百姓生计困难，孟小山原剃头为生，经母托人说情入刑部学当刽子手，谁知学成出师第一次差使 竟遭卖艺女柳青青无意间破坏 昏倒刑场，两人结下了梁子，从此成了一辈子命运死缠在一起的欢喜冤家。《蓝色星球II》将由大卫·爱登堡爵士主持。在长达4年的拍摄过程中, 制作团队共执行了125次的探险，水下拍摄时数长达到6000多个小时。与2001年首播的《藍色星球》相隔16年之后，制作团队透过新的科技技术突破以往限制，将许多过去未知的地带、惊人的生物及其令人瞠目结舌的举动呈现在观众眼前