How to fix Cloudflare 502 error

Usually, the error used to occur when Cloudflare doesn’t have contact with an origin web server.

As a part of our server management services, we use to fix Cloudflare 502 error on your behalf. For further detailed information, you can contact our technical team support for any assistance

Let us today discuss the possible reasons and fixes for this error.

Finding reason of cause Cloudflare 502 error

Cloudflare returns an HTTP 502 or 504 error when the origin web server responds with a standard HTTP 502 bad gateway or 504 gateway timeout error. A typical error message looks like this:

Some of the common reasons for the error 

  • Excessive server load
  • Firewall restrictions

Fixing Cloudflare 502 error

Resolving the 502 error depending on the particular reason. proceed with the following steps below.

Investigate excessive server load

Initially, investigating the excessive server load that caused the error. sometimes due to crashes or network failures or excessive server loads the error used to trigger.

We often see that the underlying cause for 502 errors can be service failures for web server, mysql server etc.

Mostly the 502 errors occur when the Web server in failed status in order to resolve this issue you need to restart the httpd service to make websites work normal.

Firewall restrictions

Most of the web hosting servers are built-in firewall to block the bad traffic networks and some will be block servers based on country, whereas the websites will be served only to users from selected countries.

In such cases, a user accessing the website from a blocked network will see 502 errors.

Nowadays, Most website owners depend upon third-party content delivery networks for faster loading of images, videos etc. on the websites.

So this firewall modification also needs to accommodate these third-party content delivery networks as well.

Conclusion

In short, the error used to occur when Cloudflare doesn’t have contact with an origin web server. Our technical team will modify the server firewall in such a way that it doesn’t create any sort of risk for the server.

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