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2017-07-15 13:39:33历史记载巨鹿之战以义军胜利而告终，给了尹旭足够的自信和底气。Front SupportAttackers can use dig query and EDNS0 to carry out efficient DNS amplification attacks. Attackers want the widely existing open DNS parser to send dig query commands, set the udp message size in the opt rr field to a large value, and make the requested source ip address not the target ip address.元华，有人说你不咋样。Reset authentication takes advantage of the reliability of TCP protocol, and DDOS protection system responds to syn first. When the protective device receives syn, it responds to syn_ack and sets the Acknowledge number to a specific value (recorded as a cookie). When the real client receives this message and finds that the acknowledgement number is incorrect, it will send a reset message with a sequence number of cookie + 1. The source of the forgery will not have any response. In this way, we can add the real client IP to the white list. ?汪正松瞪眼问道：京城那么多人，他们是怎么找到胡周的？说得这样容易，他听了实在不服气。