Apache Error 502 Bad Gateway
Contents |
This server received an invalid response from an upstream server it accessed to fulfil the request. This usually does not mean that the upstream 502 bad gateway apache reverse proxy server is down (no response to the gateway/proxy), but rather that the upstream 502 bad gateway nginx apache server and the gateway/proxy do not agree on the protocol for exchanging data. Given that Internet protocols are quite clear, 502 bad gateway apache tomcat it often means that one or both machines have been incorrectly or incompletely programmed. Fixing 502 errors - general This problem is due to poor IP communication between back-end computers, possibly including the
Error 502 Bad Gateway Hostgator
Web server at the site you are trying to visit. Before analysing this problem, you should clear your browser cache completely. If you are surfing the Web and see this problem for all Web sites you try to visit, then either 1) your ISP has a major equipment failure/overload or 2) there is something wrong with your internal Internet connection e.g. your firewall is not functioning error 502 bad gateway cloudflare correctly. In the first case, only your ISP can help you. In the second case, you need to fix whatever it is that is preventing you reaching the Internet. If you get this problem for only some of the Web sites you try to visit then it is likely to be a problem at those sites i.e. one of their pieces of equipment is failing/overloaded. Contact the people at those sites. Fixing 502 errors - CheckUpDown Our service monitors your site for HTTP errors like 502. Use of proxies and caching is increasing on the Web. Our CheckUpDown robot will always try to "drill through" to the real computer that actually hosts the Web site, but we do not have complete control over where our HTTP request actually ends up. If only one link in the chain of computers dealing with our HTTP request is broken, then an error such as 502 can easily occur. Please contact us (email preferred) whenever you encounter 502 errors - there is nothing you can do to sort them out. We then have to liaise with your ISP and the vendor of the Web server software so that they
Zone Create a Push Zone Upload Data to a Push Zone Delete a Push Zone Push Zone Settings Push Zone Subusers Pull Zone Create a Pull Zone Delete a Pull Zone Purge CDN Cache Pull Zone Settings CNAMES please explain this 502 bad gateway error Create a Zonealias Delete a Zonealias Zone Security How to setup Let's Encrypt TLS
Error 502 Bad Gateway Solucion
How to setup Custom SSL How to order a SSL certificate Secure Token Create a Zonereferrer (Hotlink Protection) Delete a
502 Bad Gateway Nginx
Zonereferrer Debugging CDN Troubleshooting Guide Technical Questions CDN Error Codes KeyCDN Log Format KeyCDN Log Forwarding Configure your own Syslog Server Getting Started General Account Management Integration Guides CMS Integration Guides Framework Integration Guides http://www.checkupdown.com/status/E502.html Custom CDN Integration CDN How To's Tutorials Zone Configuration General Settings Push Zone Create a Push Zone Upload Data to a Push Zone Delete a Push Zone Push Zone Settings Push Zone Subusers Pull Zone Create a Pull Zone Delete a Pull Zone Purge CDN Cache Pull Zone Settings CNAMES Create a Zonealias Delete a Zonealias Zone Security How to setup Let's Encrypt TLS How to setup Custom SSL https://www.keycdn.com/support/502-bad-gateway/ How to order a SSL certificate Secure Token Create a Zonereferrer (Hotlink Protection) Delete a Zonereferrer Debugging CDN Troubleshooting Guide Technical Questions CDN Error Codes KeyCDN Log Format KeyCDN Log Forwarding Configure your own Syslog Server Knowledge Base Support/Debugging How to solve 502 Bad Gateway Issues? Updated: July 20, 2016 Comments: 1 What does 502 Bad Gateway mean? A 502 Bad Gateway indicates that the edge server (server acting as a proxy) was not able to get a valid or any response from the origin server (also called upstream server). KeyCDN returns a 500Â Origin Not Reachable if a 502 Bad Gateway occurred. What does 502 Bad Gateway mean? What are the reasons for 502 Bad Gateway responses? Domain name not resolvable: The domain name is not resolving to the correct IP or it does not resolve to any IP. It is important to note that DNS changes could take same time until they are global fully propagated and active. This is very dependant on the DNS TTL defined per record. Origin server down: The server is not reachable, either because it is down or there is no connectivity to the server given. Firewall blocks request: A firewall blocks the communication between the e
Start here for a quick overview of the site Help Center Detailed answers to any questions http://serverfault.com/questions/575541/apache-virtualhost-setup-502-bad-gateway you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Server Fault Questions Tags Users Badges Unanswered Ask Question _ Server Fault is a question and answer site for system and network 502 bad administrators. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top Apache VirtualHost setup… 502 Bad Gateway up vote 0 down vote favorite I am trying to set up apache virtual hosts 502 bad gateway on Ubuntu 12.04 lts. I followed this guide here http://www.debian-administration.org/articles/412 except I used /var/www not /home/www. Ive set the document root folder to 755 permissions. It is a server I am running out of my house, so its possible it could be a problem with my router I would think? I am not using a proxy.Is there a certain way port forwarding needs to be set up to run vhosts? (And yes, It worked fine before vhosts. I get a 502 response error (bad gateway). Here are my two enabled sites NameVirtualHost *:80