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Topics related to 502 bad gateway cloudflare

Cloudflare 502 error - Fix it Now ?

This article covers methods to resolve Cloudflare 502 error. Basically, the Cloudflare 502 error triggers when the origin web server responds with a standard HTTP 502 bad gateway or 504 gateway timeout error. 

This happens due to firewall restrictions and server resource issues.


Cause of 502 Bad Gateway Errors:

1. Domain name not resolvable

The domain name is not pointing to the correct IP or it does not point to any IP this problem may happen. Also, DNS propagation could take some time to make changes in DNS setting. It may take 24 to 48 hours to make reflect which is dependent upon the TTL defined per record on the DNS.

2. server down

The origin server is not reachable, this may due to the server is down for some reason or there is no communication to the server given.

3. Firewall blocks

A firewall interrupts the communication between the edge servers and the origin server. This may be caused by security plugins of your CMS.

As a part of DDOS protection and mitigation process or due to some strict firewall rules servers can be blocked from accessing the original server.

Vestacp 502 bad gateway error

This article will guide you on common causes for #Vestacp #502 bad gateway #error and different methods to fix this error.

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).

Server software timeouts: This error can also occur when a web server takes more time to complete and a caching tool reaches its timeout values that time. Slow queries can also cause this problem too.'

To fix Error 502 Gateway:

1. Refresh the page.

2. Start a new browser session or load the site on a different browser.

3. Restart your computer and networking equipment.

4. Clear your #cache and cookies.

5. Change your #DNS server.

Method to fix Cloudflare error 527

When a #connection is interrupted between Cloudflare data center and an origin #Railgun server(rg-listener), thus a #Cloudflare error 527 will occur. This is influenced by loss of #packet data or a #firewall restriction in this situation.

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