Q. Why is Turkey banning Twitter?
A. The ban came as Prime Minister Recep Tayyip Erdogan threatened to “rip out the roots” of the social network. His remarks came after links proliferated on Twitter to recordings that appear to incriminate Erdogan and other officials in corruption. Uproar over the recordings has damaged the government's reputation ahead of local elections this month.
Many people who tried to visit Twitter on Friday got a blocking notice from Turkey's telecommunications authority that referred to four court orders.
Q. How is Twitter being blocked?
A. Internet access providers in the country are redirecting Twitter traffic to a website that contains the blocking notice. It appears that Turkish Internet providers are doing so by changing the numeric Internet Protocol address associated with Twitter.com.
Think of the domain name system as an Internet phone book. When you type in Twitter.com, your computer looks up the numeric IP address for Twitter's website and
takes you there. It's similar to the way you can make calls on your smartphone by looking up your friends' names rather than memorizing all the phone numbers.
Turkish service providers can steer you away from Twitter's website by putting an incorrect IP address for Twitter.com in their domain name servers.
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