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Is it TCP to try to send enough SYN packets and run out of backlog? The purpose of SYN flooding. The attacker added the source IP address to the SYN packet, which would not cause the host to remove the assigned TCB from the SYN-RECEVIED state queue (because the host would respond to the SYN-ACK). Because TCP is reliable, the destination host will wait quite a long time before disconnecting the half-open connection and removing the TCB from the SYN-RECIEVED queue. During this period, the server will not be able to respond to legitimate new TCP connection requests from other applications. Figure 2 shows a simple TCP? The process of a SYN flooding attack.It should be noted that I am not proficient in DDOS and never thought I would be the target of attack. After the attack, many unknown friends provided all kinds of help and suggestions, which made me learn a lot. Here are some of the solutions that are most helpful to me.项羽有些无奈道：刘邦和尹旭必须要分封吗？范增摇头道：想要限制六国旧诸侯，就要论功行赏，刘邦和尹旭能少的了吗？否则会给别人落下口实，以至于诸将离心离德，那就不妙了。This article has been marked with the source and source. The copyright belongs to the original author. If there is infringement, please contact us.不知xxx意下如何？我刚来，还不了解情况。