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率先阔步而去。People have studied SYN attack prevention technology earlier. To sum up, there are mainly two categories, one is through firewall, router and other filter gateway protection, the other is through strengthening TCP/IP protocol stack protection. However, it must be clear that SYN attacks cannot be completely prevented. What we have done is to reduce the harm of SYN attacks as much as possible unless TCP protocol is redesigned.Reference: Pilot Baidu EncyclopediaOf course, we can also set the number of retransmissions to 0, so that the server will automatically delete the connection entry from the backlog queue if it has not received the ack acknowledgement packet within 3 seconds.紧接着项羽进入函谷关，大军压境让人压力重重，一桩桩一件件压得人有些难以喘息。20,000 Yuan Gaudi [Exclusive SAIC Audi Project Restart First Domestic Car Determined as Audi A7] Editor: Wang YipengTel://: Number data format, followed by telephone number.