What causes a Cloudflare Error 520?

By: USER9138
23 Agustus 2025 Support 5 minutes
4.5
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Grade: Education Subject: Support
What causes a Cloudflare Error 520?
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A Cloudflare Error 520 indicates a problem with the origin server (the server where your website's content is stored). It signifies that Cloudflare couldn't reach your origin server to serve the requested content. Common causes include origin server downtime, high server load, misconfiguration, or issues with the origin server's firewall.
Answered on 23 Agustus 2025

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