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Blocking may also refer to denying access to a web server based on the IP address of the client machine. [2] In certain websites, including social networks such as Facebook or editable databases like wikis, users can apply blocks (based in either IP number or account) on other users deemed undesirable to prevent them from performing certain ...
Domain Name System blocking, or DNS blocking / filtering, is a strategy for making it difficult for users to locate specific domains or websites on the Internet. It was first introduced in 1997 as a means to block spam email from known malicious IP addresses. [1] DNS blocking can also be applied for outgoing requests as well.
Some methods, such as the use of alternate DNS servers, use false addresses or address lookup systems to evade less sophisticated blocking tools while the user accesses the site. [1] [2] The drawback of this method is that many censors block the IP address of restricted domains in addition to the DNS, rendering the bypass ineffective. Other ...
Computer network attacks: Denial-of-service attacks and attacks that deface opposition websites can produce the same result as other blocking techniques, preventing or limiting access to certain websites or other online services, although only for a limited period of time. This technique might be used during the lead up to an election or some ...
The Deleting Online Predators Act of 2006 would have required schools, some businesses, and libraries to block minors' access to social networking websites. The bill was controversial because, according to its critics, it would limit access to a wide range of websites, including many with harmless and educational material. [ 58 ]
The government could also force American internet service providers (ISPs), which provide access to the internet and the websites on them, to block TikTok, making it impossible to access the web ...
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