What causes a 502 Bad Gateway error?

[techyvibe]

Friends 502 Bad Gateway error occurs when a server acting as a gateway and receives an invalid response from another server. This error can happen for several reasons.

• Server overload or down
  
• DNS issues
  
• Incorrect server settings
  
• Problems with a firewall
  

To fix it, check the server status, restart it, or contact the web host. The error usually clears up once the server issues are resolved. Friends, I hope you like my post. If you want to also know about 502 Bad Gateway Error you can read our Blog.