A national intranet is an Internet protocol-based walled garden network maintained by a nation state as a national substitute for the global Internet, with the aim of controlling and monitoring the communications of its inhabitants, as well as restricting their access to outside media. Other names have been used, such as the use of the term "halal internet" in Islamic countries.
Such networks generally come with access to state-controlled media and national alternatives to foreign-run Internet services: search engines, web-based email, and so forth. Such networks can be viewed as the final endpoint of a policy of Internet censorship and computer surveillance, in which the public Internet and its services are completely replaced by ersatz state-controlled alternatives.
North Korea's Kwangmyong network, dating back to 2000, is the best-known of this type of network. Cuba and Myanmar also use a similar network system that is separated from the rest of the Internet.
In April 2011, a senior Iranian official, Ali Agha-Mohammadi announced government plans to launch its own "halal internet", which would conform to Islamic values and provide "appropriate" services. Creating such a network, similar to the North Korean example, would prevent unwanted information from outside Iran getting into the closed system. The Iranian walled garden would have its own localized email service and search engine.
- Christopher Rhoads and Farnaz Fassihi (May 28, 2011). "Iran Vows to Unplug Internet". Wall Street Journal. Retrieved 2012-09-24.
- "Iran clamps down on Internet use", Saeed Kamali Dehghan, The Guardian, 5 January 2012
- Ryan Paul (April 10, 2012). "Iran moving ahead with plans for national intranet". Ars Technica. Retrieved 2012-09-24.
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