How to Fix the 502 Bad Gateway Error in Browsers

How to Fix the 502 Bad Gateway Error in Browsers

Having internet connection problems, particularly when working from home, can be extremely aggravating. You may find yourself in difficult situations if you are not tech-savvy. These internet mistakes can be perplexing at times. But don't be alarmed if you get one. We're here to help you understand what a 502 error is and what you can do to fix it.

Your request is routed through a gateway once you reach a URL. When a 502 bad gateway error occurs, the gateway server receives an invalid response from the main service. To put it another way, there is a communication problem. Errors like these are now beyond your control. There isn't anything you can do with them. We've come up with a few options for resolving this issue.


What does 502 bad gateway mean?


Error 502 may occur for a variety of reasons. If you receive a 502 Bad Gateway response, it means that the proxy or edge server is unable to obtain a legitimate response from the upstream or origin server. When your server receives a 502 Bad Gateway response from the upstream, one of the causes of this 502 proxy error is. As a result, a 500 Origin Not Reachable page is returned by the server.


What are the causes of the 502 bad gateway error?


While we've already mentioned one of the causes of this mistake, there are a number of others. The following are the other three culprits:

  • Blockage of the firewall: Firewalls are an essential part of the protection of your machine. They serve as protection against all types of malware and viruses. The contact between the origin and edge servers can be blocked by this firewall. This can happen as a result of your CMS's security plugins. Furthermore, DDoS mitigation and security systems can become too aggressive, causing requests from content delivery servers to be blocked.

  • Domain Name: This error will occur if the domain name does not resolve to the correct IP address, and in many cases does not resolve to any IP address at all. It's important to keep in mind, however, that Domain Name Seever (DNS) changes can take some time to fully activate and propagate. This is entirely dependent on the record's given time to live.

  • Upstream servers are unavailable: An HTTP 502 error can occur if the origin server is down or unreachable because there is no connection to the server.


What should I do to resolve Error 502 Bad Gateway?


The 502 error also has little to do with the visitor. There are a few precautions you can do to make sure the problem isn't caused by you. As a result, you can try the following troubleshooting ideas to overcome the problem:


Switch to another web browser


Changing your web browser is the most straightforward solution to this issue. Close all browser windows and try again to see if the problem has been fixed.


Reload the page


By pressing F5 on your keyboard, you can refresh your page. If you're lucky, the error will go away and you'll be able to get back to work.


Restart your machine


This is a magic trick that can be used to fix almost any kind of error. Starting the machine is the easiest way to get rid of an error.


Restart your Internet Connection


Because of all the work they do, your router or modem can require a refresh from time to time. To address the problem, restart your modem or router.




Cookies and cache should be cleared


Cookies and caches are files that your browser stores for your convenience over time. It's a good idea to uninstall all cookies and cache data. They keep track of the websites you've visited and uninstall them to boost your browsing experience.


DNS servers should be updated


Default DNS servers are assigned to you by your internet service provider. Through using open DNS servers, you can alter this.


Contact your service provider


If nothing else works, the best choice is to entrust the problem to the professionals. The experts in this situation are the provider's customer service representatives. You should directly mention the problem to them, and they will take care of it.


Ways 502 Bad Gateway manifests

The 502 Bad Gateway can appear in a variety of ways. They all mean the same thing, but their names vary due to naming conventions. Mentioned below are a few examples:

  • 502 Service Temporarily Overloaded

  • 502 Bad Gateway

  • Error 502

  • 502 Proxy Error

  • 502 Bad Gateway NGINX



Final thoughts

Error 502, also known as a communication error between the upstream and proxy server, is a common occurrence. You should at the very least try loading the page or rebooting all of the systems. If the mistake continues, the next thing you can do is contact the internet service provider's customer service



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