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Myth Corps(five) did not apply for change procedures;Attackers 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.In recent years, due to the strong development trend of online education and quality education, the education field that combines the two has attracted many entrepreneurs and is favored by many capital. Among them, it is considered to be another emerging track in the field of online education after children's English-the cultivation of children's thinking ability, which has become the target of capital investment. From February 2017 to now, more than 10 financing incidents have been revealed in the related fields of online children's thinking ability training, and the frequency is increasing.--Windows/Linux< p > This is another paragraph.