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There are a number of key steps that users can take to attempt to fix a 502 Bad Gateway error. This can often occur with DDoS protection layers, which block requests from content delivery systems and cause the network to grind to a halt.
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However, a number of firewalls can often go further than you’d like and inadvertently treat a massive influx of legitimate users as an attempted cyber attack. Request blocked by a firewall: With cyber criminals finding more and more ways to breach corporate networks, firewalls continue to play a key role in stopping them in their tracks. This can just be a coincidence, or maybe driven by a big event, but it can also be a targeted DDoS attack. This is where the server has reached its memory capacity, often activated by an unusually high number of visitors trying to access the same website. Server overload: An overloaded server is one of the most common causes of a 502 error. However, if you’re feeling up to it and are curious to see if you can do something yourself, there are a number of different tactics that may work.
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