My boss was messing around with this page and suddenly it stopped working and started giving us a 502 Bad Gateway error. Is there anything you can see that explains why this happened?
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Does 502 bad gateway mean blocked? If your computer screen displays an error message stating “502 bad gateway”, it means the server which is acting as a proxy or gateway is not getting adequate response from another server. But this is a generic error, you won't be able to find out the root cause.
Q: What is PHP-FPM used for? A: PHP-FPM (FastCGI Process Manager) is a web tool used to speed up the performance of a website. It is much faster than traditional CGI based methods and has the ability to handle tremendous loads simultaneously.
A 502 Bad Gateway
error is not caused by static HTML like you just displayed.
The server was probably having an internal error or an error communicating with other servers - maybe there was a (temporary) overload, or another server/service was not reachable. Does it still happen when you clear your cache or use another browser/computer?
Can you tell us more about your webserver, and its links to other servers/services?
The cause for the 502
is not on the page. Looks more like a configuration issue, either on the server or on a network component (router).
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