Istanbul (CNN) -- Several thousand opponents of new Internet filtering rules, set to take effect in Turkey in August, marched in protest in Istanbul on Sunday.





Demonstrators carried signs in Turkish and English reading "Don't touch my Internet" and "We don't need protection," while they chanted slogans against website censorship.





Internet users must choose among four filtering options, including family, children, domestic or standard settings, as a part of Turkey's "Safe Internet Service."





The regulations are designed to protect children from indecent online content, according to BTK, the prime minister's information technology board. Critics argue that it is not clear how the filtering system will work.





The marchers stopped several times to stage brief sit-ins during the two-hour route from the Taksim Square to the end of Istiklal Street.





Organizers claimed the marcher numbered in the "thousands," which appeared to be accurate to a CNN reporter on the scene.





The new filtering rules will be enforced beginning August 22, the government said.





A "Enemies of the Internet" report issued this month by Reporters Without Borders included Turkey on its 2011 list of "countries under surveillance."





The BTK was "not fooling anyone when it claims to be rendering a service to Internet users by giving them a choice between a lot of restrictions and fewer restrictions," the report said.





Turkey already blocks more than 7,000 websites, "in most cases without reference to any court," the report said.
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"Don't touch my Internet" "Don't touch my Internet" and "We don't need protection," Turkey already blocks more than 7,000 websites, Turkey new filtering rules will be enforced beginning August 22, The BTK children Several thousand opponents
question: what do marchers signs say, answer: "Don't touch my Internet" | question: What does the marcher's signs say?, answer: "Don't touch my Internet" and "We don't need protection," | question: What does the journalism group report say?, answer: Turkey already blocks more than 7,000 websites, | question: What country is trying to introduce filtering?, answer: Turkey | question: What do Turkish officials say?, answer: new filtering rules will be enforced beginning August 22, | question: What is not fooling anyone, answer: The BTK | question: Who needs protecting from web content?, answer: children | question: Does everyone agree with this policy?, answer: Several thousand opponents