MADRID —

Internet infrastructure company Cloudflare on Friday said it had restored services following an outage that took place in the morning that brought down several global websites including LinkedIn, Zoom and others, the second such crash to affect the company in less than three weeks.

Cloudflare said the issue had been resolved and was not due to an attack. A change to how its firewall handles requests “caused Cloudflare’s network to be unavailable for several minutes this morning,” the company said. Advertisement

It said it was “investigating issues with Cloudflare Dashboard and related APIs,” or application programming interface that allow software systems to communicate with each other.

Cybersecurity experts say it generally takes time to pinpoint the exact cause of an outage

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