China blocks SD-WAN and VPN

According to foreign media reports that a new mainland China policy will take effect next week, which will have a profound impact on companies in China that rely on Internet VPN or SD-WAN access. It includes tens of thousands of foreign companies and foreign individuals.

According to Netease cloud headlines, SD-WAN Experts obtained China Telecom issued a notice shows that Chinese government asked China’s major commercial Internet service provider ( ISP ) in 2018 Nian 1 Yue 11 blockade before the date of TCP port 80 , port 8080 and port 443 . Of course, port 80 is a TCP port that is typically used to carry HTTP traffic ; port 8080 and port 443 are used to carry HTTPS traffic. If the customers of these commercial ISPs intend to continue to access these ports, they must register or apply through the local ISP to reopen the port.

Bloomberg early last 7 months for the first time reported the new rules will be in 2018 Nian 2 news before the implementation of months. And this is the first time given a specific date.

2017 Nian 7 months, China Telecom sent a letter said to corporate customers, the future only allow VPN connection to the corporate headquarters overseas.

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