不起眼的SSL证书，让全球玩家玩不了《英雄联盟》

Core Viewpoint - The global player base of "League of Legends" experienced a significant outage on January 5, 2023, due to an expired SSL certificate, which led to a temporary shutdown of the game for approximately 10 hours [3][4][6]. Group 1: Incident Overview - On January 5, around 4 AM, players worldwide were unable to access the "League of Legends" client, receiving error messages indicating session issues and account non-existence [3]. - The outage was attributed to a failure in certificate verification, caused by the expiration of an SSL certificate issued in January 2016, which was valid for ten years [4][6]. - The maintenance concluded after 10 hours, and the SSL certificate was renewed, now valid until December 12, 2125 [6][10]. Group 2: Technical Explanation - SSL certificates are essential for verifying server identity and ensuring secure data transmission, acting as a digital ID for internet products [7]. - The expired SSL certificate prevented the client from obtaining server authentication, leading to a global login system failure [6][11]. - The incident raised questions about why Riot Games did not renew the certificate in advance, as the company may not have anticipated the long-term success of "League of Legends" [11][13]. Group 3: Industry Context - The gaming industry has seen a shift towards long-term game sustainability, with the concept of Games as a Service (GaaS) gaining traction, allowing for ongoing player engagement and reduced development costs [13]. - The unexpected longevity of "League of Legends" highlights a change in industry dynamics, where companies are now more focused on creating enduring game ecosystems [13].