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Chinese Firewall Test - Instantly test if a URL is blocked by the Great Firewall of China in real time. Tests for both symptoms of DNS poisoning and HTTP blocking from a number of locations within mainland China. China Firewall Test - Test if any domain is DNS poisoned in China in real-time. DNS poisoning is one way in which websites can be ...
DNS hijacking, DNS poisoning, or DNS redirection is the practice of subverting the resolution of Domain Name System (DNS) queries. [1] This can be achieved by malware that overrides a computer's TCP/IP configuration to point at a rogue DNS server under the control of an attacker, or through modifying the behaviour of a trusted DNS server so that it does not comply with internet standards.
The hacking theory is widely questioned. Dong Fang of Qihoo (China), Ye Xuhui of Hong Kong ISP Association, and two other Chinese experts point out that any attack to cause a simultaneous dysfunction must be enormous in scale, as it needs to cover all the high-level DNS servers in China. Such an attack would be beyond the ability of most hackers.
The Great Firewall ( GFW; ) is the combination of legislative actions and technologies enforced by the People's Republic of China to regulate the Internet domestically. Its role in internet censorship in China is to block access to selected foreign websites and to slow down cross-border internet traffic. The Great Firewall operates by checking ...
Censorship of GitHub. GitHub has been the target of censorship from governments using methods ranging from local Internet service provider blocks, intermediary blocking using methods such as DNS hijacking and man-in-the-middle attacks, and denial-of-service attacks on GitHub's servers from countries including China, India, Iraq, Russia, and ...
DNS sinkhole. A DNS sinkhole, also known as a sinkhole server, Internet sinkhole, or Blackhole DNS[ 1] is a Domain Name System (DNS) server that has been configured to hand out non-routable addresses for a certain set of domain names. Computers that use the sinkhole fail to access the real site. [ 2] The higher up the DNS resolution chain the ...
In January 2006, Google agreed that China's version of Google, Google.cn, would filter certain keywords given to it by the Chinese government. [50] Google pledged to tell users when search results are censored and said that it would not "maintain any services that involve personal or confidential data, such as Gmail or Blogger, on the mainland ...
Moreover, a large number of netizens from China claimed that they were unable to access numerous Western web services such as Twitter, Hotmail, and Flickr in the days leading up to and during the anniversary. [149] Netizens in China claimed that many Chinese web services were temporarily blocked days before and during the anniversary. [149]