Similarly,
China cut off global internet:
The technical analysis reveals a disturbing sophistication in the execution of this cut. In addition, The Chinese censorship system has deployed an RST+ACK forged packet injection method. Therefore, specifically targeting the 443 port used by the HTTPS protocol. Similarly, This approach differs from the usual methods of filtering by keywords or IP addresses blocking.
Great Firewall Reports experts observed that the system responsible “does not correspond to the imprints of any known GFW equipment”. In addition, This particularity suggests either the use of new censorship equipment. or an existing device operating in an original or poorly configured state. The incident affected only the 443 port, leaving intact other current ports like on the 22, 80 or 8443.
The bidirectional nature of the blocking constitutes a remarkable technical element. The connections have been disrupted both from the inside of China to china cut off global internet the outside. in the opposite direction, but with asymmetrical trigger mechanisms. For outgoing traffic from China. the SYN packs of the customer and SYN+ACK of the server each triggered the injection of three RST+ACK packages. For incoming traffic, only the SYN+ACK response of the server activated the blocking mechanism.
china cut off global internet — China cut off global internet: The technical analysis reveals a disturbing sophistication in. the execution of this cut. The Chinese censorship system has deployed an RST+ACK forged packet injection method. specifically targeting the 443 port used by the HTTPS protocol. This appro.
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