The technology which renews the DNS database dynamically. With IETF it was standardized as RFC 2136 the general name (DNS UPDATE).
al the occasion where, the host name which is added mechanically by IP address and the provider because it becomes enumeration of the number, alphabet and the sign which excessively do not form meaning, releasing generally, in order known fact grants the host name of one way by the fact that the DNS record is renewed every connection vis-a-vis the personal computer of the home which utilizes regular connected environment is DDNS. |
The attack where the mass computer which is dispersed to plural networks forwards the packet to the server of specification simultaneously, makes the channel overflow and makes performance stop.
Actually the packet is sent, the third party where (executes attack) there is no intention of attack, is malice outside in
2000 February, with the hand of some person, Yahoo! It is the attack technique where, the American major Web sight such as Amazon.com, Buy.com, eBay, CNN, E*TRADE and ZDNet met to the damage of DDoS one after another, attracted attention.
The cracker the attack object invades the unrelated many computer, as not become aware in the user, the program for execution of attack (the Trojan horse) sets up stealthily. When starting attack, forwarding order of the packet is issued simultaneously vis-a-vis the Trojan horse was set up beforehand.
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