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September 25, 2017 10:00 pm

China Blocks WhatsApp

An anonymous reader quotes a report from The Verge: China has blocked WhatsApp, security experts confirmed today to The New York Times (Warning: source may be paywalled). Over the past few months, WhatsApp has experienced brief disruptions to service, with users unable to send video chats or photos. Now, even text messages are completely blocked, according to Nadim Kobeissi, an applied cryptographer at Symbolic Software, a Paris-based research firm that also monitors digital censorship in China. Kobeissi found that China may have recently upgraded its firewall to detect and block the NoiseSocket protocol that WhatsApp uses to send texts, in addition to already blocking the HTTPS/TLS that WhatsApp uses to send photos and videos. He said, "I think it took time for the Chinese firewall to adapt to this new protocol so that it could also target text messages." His company noticed the app disruptions beginning last Wednesday.

Read more of this story at Slashdot.


Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/8GcpuNEb7Sw/china-blocks-whatsapp

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