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2. For auxiliary function boards (e.g. Auxiliary power supply boards, full voltage loss boards, etc.), the boards are small and the bit numbers are easy to find and identify, which are defined by the designers themselves.Some recent systems basically default to 1024 bytes of backlog size, but many servers on the network configure it to 128 bytes or less. Usually, the time threshold for retransmitting SYN-ACK is 5 seconds, which is twice the normal successful reception time. The default timeout time is 3 seconds, and the time from the first SYN-ACK to its TCB being recovered is 189 seconds.The te finds that it is blocking page response information from the browser, Forward the information you don't need, Find the information you need, The corresponding information will also be loaded through the Forward page, The following figure shows BurpSuite's interception page: 2.2. BurpSuite Replay Attack 2.2. 1 Replay Attack Replay Attacks, also known as Replay Attacks, Replay Attacks or FreshnessAttacks, refers to the attacker sending a packet received by the destination host to deceive the system, which is mainly used in the identity authentication process and destroys the correctness of authentication. It is a type of attack that repeats an effective data transmission maliciously or fraudulently. The replay attack can be carried out by the initiator or by the enemy that intercepts and retransmits the data. Attackers use network monitoring or other means to steal authentication credentials and then re-send them to the authentication server. From this explanation, encryption can effectively prevent session hijacking, but it cannot prevent replay attacks. Replay attacks can occur during any network communication. Replay attack is one of the common attacks used by hackers in the computer world. Its written definition is abstract to people who do not know cryptography. However, through learning, we know that the best way to defend against replay attacks is timestamp. Simply speaking, what is timestamp, that is, the verification code that we need to enter when visiting some websites to log in, and replay attacks cannot cope with every time we log in.CBS All Access宣布续订《星际迷航：皮卡德》第二季。　　但看似简单的杀人案背后却隐藏着惊天的阴谋：凶手谷子丰在案发前曾伙同路长明利用电脑网 络窃取银行数亿资金，但帐号及密码只有谷子丰一人知道，为了得到这笔赃案，路长明必须在最短 的时间里，颠倒黑白，扭转乾坤，营救谷子丰。幕后花絮：