If your web server’s firewall is not properly configured it may block many requests causing NGINX to give 504 Gateway Timeout error.
Log into your proxy server and try connecting to your web server using curl/ping command.īonus Read : How to Increase File Upload Size in NGINX NGINX will also give 504 Gateway Timeout error if there are network connectivity issues between your reverse proxy server and back end web server. In such cases, just disable your CDN and try accessing your website. If your website uses CDN, it may sometimes timeout causing NGINX to return 504 Gateway Timeout error. In case of client-side problems, try flushing local DNS cache.īonus Read : How to Increase Request Timeout in NGINX In such cases, it may take anywhere between 5 minutes to 24 hours for the DNS records to be updated. In case of server side DNS problems, the issue may be because your domain name doesn’t resolve to an IP, in case you have changed your website IP address or migrated your website to a new IP.
Sometimes, it may also be a signal that you need to upgrade your server.ĭNS issue can be on client side or server side. However, analyze server logs to identify the requested URLs just before your server went down, to optimize their code.
Such issues get fixed automatically when server load gets balanced. One of the most common causes for 504 bad gateway is that your back end server has gone down because it got overloaded with too many requests, or some long running requests. Here are some of the key ways to fix 504 Gateway Timeout Error in NGINX. How to Fix 504 Gateway Timeout Error in NGINX Sometimes, it may be due to network issues and may get fixed automatically.īonus Read : How to Fix 502 Bad Gateway Error in NGINX This can happen due to various reasons such as application bugs, faulty plugins, poorly configured modules. When you use NGINX as reverse proxy server and it times out waiting for a response from back end web servers, it sends a 504 Gateway Timeout error to client browser. What is 504 Gateway Timeout Error in NGINX Here’s how to fix 504 Gateway Timeout error in NGINX. Users get 504 Gateway Timeout Error in NGINX when you use it as a reverse proxy server and it gets timed out waiting for a response from back end web servers.