502 Bad Gateway meaning: What does Bad Gateway mean?
A 502 Bad Gateway Error is an irritant everyone occasionally encounters when online. But what exactly does Bad Gateway mean and how can you fix a 502 error?
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A Bad Gateway occurs when you attempt to visit a web page, but one web server receives an invalid response from another. 502 Bad Gateway errors are totally independent of your particular setup. This means users can encounter one in any browser, OS and any device. These error displays inside the internet browser window like a web page does.
What does 502 Bad Gateway mean?
The 502 Bad Gateway can be customised by each website.
And although it is quite a rare occurrence, different web servers can describe this error differently.
A Bad Gateway error received in Windows Update generates a 0x80244021 error code or the message WU_E_PT_HTTP_STATUS_BAD_GATEWAY.
Google services, including Google Search or Gmail, experiencing a 502 Bad Gateway, usually display Server Error, or sometimes just 502.
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These are some other common ways you may see a 502 Bad Gateway display:
502 Bad Gateway
502 Service Temporarily Overloaded
Error 502
Temporary Error (502)
502 Proxy Error
502 Server Error: The server encountered a temporary error and could not complete your request
HTTP 502
502. That's an error
Bad Gateway: The proxy server received an invalid response from an upstream server
HTTP Error 502 - Bad Gateway
Twitter's famous "fail whale" error that says Twitter is over capacity is actually a 502 Bad Gateway error
What causes 502 Bad Gateway Errors:
Bad Gateway errors are often caused by issues between online servers users cannot control.
Annoyingly, there is sometimes no actual issue, but your browser thinks there is one.
This is due to issues with the browser, home networking equipment, or some other in-your-control reason.
Another candidate is a faulty firewall configuration, causing your firewall to deem requests from a content delivery network as an attack on your server.
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How to Fix a 502 Bad Gateway:
The 502 Bad Gateway error is usually unrelated to your computer or internet connection.
However, since it is possible that there is something wrong on your end, there are some fixes to try.
One popular solution to reloading the URL by tapping F5 or Ctrl+R (Command+R on a Mac), or selecting the refresh/reload.
Although the 502 Bad Gateway error usually indicates a networking error outside of your control, it could be extremely temporary.
As a result, trying the page again is often successful.
Start a new browser session by closing all browser windows and then opening a new one, before attempting to reopen the web page.
A 502 error could also be caused by an issue on your computer that occurred sometime during this use of your browser.
Because of this, a straightforward restart of the browser program could solve the problem.
Clearing a browser's cache can resolve outdated or corrupted files stored by your browser.
Removing those cached files and trying the page again will solve the problem if this is the cause.
Finally, deleting a browser's cookies could fix a 502 error for similar reasons mentioned above.