Is China imposing more powerful version of Green Dam, called Blue Shield?

Reporters Without Borders is very worried about reports that Internet Service Providers in the southern province of Guangdong have installed a new filtering software called Landun (Blue Shield or Blue Dam in English) that is more powerful that its problematic predecessor Green Dam.The press freedom organisation calls on the provincial and national authorities to explain their intentions with Blue Shield (, which ISPs were reportedly told install by 13 September and which is said to be more dangerous for Internet users and companies.

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