India, Nov. 18 -- A Cloudflare incident on November 18 impacted access to a number of websites and apps for nearly an hour. A configuration change within Cloudflare's control systems resulted in an overload affecting edge servers. The servers began to act on out-of-date routing information, leading to the posting of 500 and 520 errors. In India the impact was noted between 15:30 IST and 16:15 IST, which included news sites, delivery apps, payment pages, and student portals.

At around 15:30 IST on Monday, users throughout India noticed sites that were freezing or half loaded. Some platforms would not load at all. Social feeds quickly filled with jokes that the internet had gone on hiatus, but the cause was fundamentally located deeper dow...