China experienced a global internet outage for just over an hour, disrupting HTTPS traffic by blocking port 443. The incident may indicate testing or a misconfiguration of China’s Great Firewall, impacting services like Apple and Tesla. #GreatFirewall #Port443
Keypoints
- The outage lasted from approximately 00:34 to 01:48 Beijing Time on August 20, 2025.
- The disruption blocked all HTTPS traffic, affecting access to international websites and services.
- The cause was unidentified but could be a test or a device misconfiguration within China’s censorship apparatus.
- This incident highlights ongoing technical challenges and vulnerabilities within the Great Firewall system.
- Other countries, like Pakistan, may adopt similar censorship tactics, possibly influenced by China’s approach.
Read More: https://www.theregister.com/2025/08/21/china_port_443_block_outage/