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{{selfref|For the blocking policy on Wikipedia, see [[Wikipedia:Blocking policy]].}}
{{selfref|For the blocking policy on Wikipedia, see [[Wikipedia:Blocking policy]].}}


On the [[Internet]], a '''block''', or ''ban'' (also sometimes referred to as a '''banhammer''') is a technical measure intended to restrict access to information or resources. Blocking and its inverse, unblocking, may be implemented by the owners of computers using software.<ref name="Westfall">{{cite web |url= https://www.airsassociation.org/services-new/airs-knowledge-network-n/airs-articles/item/119-internet-blocking |title=Internet Blocking |first=Joseph |last=Westfall |year=2012 |accessdate=25 November 2016}}</ref> Some countries, [[Internet censorship in the People's Republic of China|including China]] and Singapore, block access to certain news information.<ref name="Westfall"/> In the United States, the [[Children's Internet Protection Act]] requires schools receiving federal funded discount rates for Internet access to install software that blocks obscene content, pornography, and, where applicable, content "harmful to minors".<ref>{{cite web |url= http://www.fcc.gov/guides/childrens-internet-protection-act |title=Children's Internet Protection Act &#124; FCC.gov |work=fcc.gov |year=2012 |accessdate=17 June 2012}}</ref>
On the [[Internet]], a '''block''', or '''ban''' (also sometimes referred to as a '''banhammer''') is a technical measure intended to restrict access to information or resources. Blocking and its inverse, unblocking, may be implemented by the owners of computers using software.<ref name="Westfall">{{cite web |url= https://www.airsassociation.org/services-new/airs-knowledge-network-n/airs-articles/item/119-internet-blocking |title=Internet Blocking |first=Joseph |last=Westfall |year=2012 |accessdate=25 November 2016}}</ref> Some countries, [[Internet censorship in the People's Republic of China|including China]] and Singapore, block access to certain news information.<ref name="Westfall"/> In the United States, the [[Children's Internet Protection Act]] requires schools receiving federal funded discount rates for Internet access to install software that blocks obscene content, pornography, and, where applicable, content "harmful to minors".<ref>{{cite web |url= http://www.fcc.gov/guides/childrens-internet-protection-act |title=Children's Internet Protection Act &#124; FCC.gov |work=fcc.gov |year=2012 |accessdate=17 June 2012}}</ref>


Blocking may also refer to denying access to a web server based on the [[IP address]] of the client machine.<ref>{{cite web |url= http://httpd.apache.org/docs/2.2/howto/access.html |title=Access Control - Apache HTTP Server|work=httpd.apache.org |year=2012 |accessdate=18 June 2012}}</ref> In certain websites, including [[social networking service|social networks]] such as [[Facebook]] or editable databases like [[Wikimedia project]]s, users can apply blocks (based in either IP number or account) on other users deemed undesirable to prevent them from performing certain actions. Blocks of this kind may occur for several reasons and produce different effects: in social networks, users can unrestrictedly block other users, typically by preventing them from sending messages or viewing the blocker's information or profile. Privileged users can apply blocks that affect the access of the undesirables to the entire website.
Blocking may also refer to denying access to a web server based on the [[IP address]] of the client machine.<ref>{{cite web |url= http://httpd.apache.org/docs/2.2/howto/access.html |title=Access Control - Apache HTTP Server|work=httpd.apache.org |year=2012 |accessdate=18 June 2012}}</ref> In certain websites, including [[social networking service|social networks]] such as [[Facebook]] or editable databases like [[Wikimedia project]]s, users can apply blocks (based in either IP number or account) on other users deemed undesirable to prevent them from performing certain actions. Blocks of this kind may occur for several reasons and produce different effects: in social networks, users can unrestrictedly block other users, typically by preventing them from sending messages or viewing the blocker's information or profile. Privileged users can apply blocks that affect the access of the undesirables to the entire website.

Revision as of 08:34, 15 February 2017

On the Internet, a block, or ban (also sometimes referred to as a banhammer) is a technical measure intended to restrict access to information or resources. Blocking and its inverse, unblocking, may be implemented by the owners of computers using software.[1] Some countries, including China and Singapore, block access to certain news information.[1] In the United States, the Children's Internet Protection Act requires schools receiving federal funded discount rates for Internet access to install software that blocks obscene content, pornography, and, where applicable, content "harmful to minors".[2]

Blocking may also refer to denying access to a web server based on the IP address of the client machine.[3] In certain websites, including social networks such as Facebook or editable databases like Wikimedia projects, users can apply blocks (based in either IP number or account) on other users deemed undesirable to prevent them from performing certain actions. Blocks of this kind may occur for several reasons and produce different effects: in social networks, users can unrestrictedly block other users, typically by preventing them from sending messages or viewing the blocker's information or profile. Privileged users can apply blocks that affect the access of the undesirables to the entire website.

Effects of blocks

Blocked users may be completely unable to access all or part of a site's content, which is usually the case when censoring or filtering mechanisms are responsible for the block.

See also

References

  1. ^ a b Westfall, Joseph (2012). "Internet Blocking". Retrieved 25 November 2016.
  2. ^ "Children's Internet Protection Act | FCC.gov". fcc.gov. 2012. Retrieved 17 June 2012.
  3. ^ "Access Control - Apache HTTP Server". httpd.apache.org. 2012. Retrieved 18 June 2012.