The attack that is said to Utilized by China's so-called "Great Firewall" is DNS poisoning.
Domain Name Server (DNS) spoofing poisoning is known to be called DNS cache poisoning.
This is known to be a form of an attack that is said to make changes to DNS records and then they often used to redirect the users online traffic to a website that looks like the one that a person is intending to go to and they are often fraudulent.
Note that the attack that is said to Utilized by China's so-called "Great Firewall" is DNS poisoning as it takes one to a fraudulent site.
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