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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.Show System板栗听她娓娓述说，脸上笑意越来越深。…,哦？尹旭没想到还有这么一出，立即追问道：那后来呢？苏岸道：后来啊，汉军之中到底发生了什么不得而知，反正大军掌控之权又落到了刘邦手中，韩信则是被调回了荥阳前线。问人，说是不知逃到哪儿去了。还没有一个类似苏樱的角色出现，我才会感到奇怪。A2.3 Collection of medical history