Cloudflare, a content delivery and cybersecurity provider used by approximately 20% of all websitessays it has fixed an issue that caused nearly a third of its sites to go offline early Friday morning. Sites affected included banking sites, career social networking platform LinkedIn and virtual meeting service Zoom.
San Francisco-based Cloudflare said up to 28% of its sites went offline Dec. 5 at 3:47 a.m. ET after the company changes to its systemsbut said he fixed the problem within 25 minutes.
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The problem arose when Cloudflare increased the buffer designed to prevent critical vulnerabilities. To make the update easier, the company says it disabled the testing tool, which caused the system to return an error. Reversing the changes fixed the problem.
This is the second Disabling Cloudflare in recent weeks. An unrelated change on November 18 resulted in the company's services being shut down for several hours.
Cloudflare isn't the only web company that's been in trouble lately. An Amazon Web Services Failure in October affected millions of visitors to popular destinations including Reddit, Snapchat, Fortnite, Roblox, Venmo and Amazon itself.
