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Sometimes we can browse the web and 502 Bad Gateway Error in Nginx. There are a few reasons why you would get this message in your webserver logs, and here we will teach you how to fix it.

What is 502 Bad Gateway Error? [EXPLAINED]

Every time you visit a website, your browser sends a request to the web server. The web server receives and processes the request, and then sends the requested resources back.

A 502 Bad Gateway error indicates that the request was accepted, but the server aborted the fulfillment of the request. In this case, the 502 Bad Gateway error specifically means that a server, while acting as a gateway or proxy, Received a invalid response from an inbound server.

Before going deep into all these options, you should understand what the 502 Bad Gateway error message means. So, the error is there and the HTTP status code is the error and it is happening on the gateway. After all, what is a gateway? In simple words, a gateway is like an access point, a bridge that communicates one service with another, in this case the gateway can be a service/application that is working and receiving requests from the Nginx web server. Has been doing.

Nginx as proxy for Apache: In this case, the gateway is Apache. When you use Nginx as a proxy for Apache, if Apache dies or it is not configured well, it can cause a 502 Bad Gateway error.

How to fix 502 Bad Gateway Error?

502 Bad Gateway Error is usually a problem with the network/server, so we will try to solve it from the server end/root level.

Follow the given steps to fix 502 Bad Gateway error:

  • Step::1 Log in to your WHM (Root)
  • Step::2 Go to Service Status
  • Step::3 Now Check httpd service status
  • Step::4 Easy Apache4 . restart apache(httpd) from
  • Step::4 Go To EasyApache4 And Uninstall And Install Any Module

The uninstallation and installation process will bring Apache back to functional mode.

You can restart Apache using SSH and typing the command below:

service httpd restart

Hope this article helped you..