Frequent 'Error 502'

[Charlie J]

Hey,
I've been having the issue of constantly getting 'Error 502 - Bad Gateway' with my site on Cloudflare,
Running PHP 5.3

Any possible ways to fix?

 

[Robru]

https://support.cloudflare.com/hc/e...seeing-a-502-or-504-gateway-error-on-my-site-

 

[Charlie J]

https://support.cloudflare.com/hc/e...seeing-a-502-or-504-gateway-error-on-my-site-

Had already seen this, however, my website is running on a VPS and I must configure this box myself.

Any sort of help?

 

[WSWD]

Quite often a firewall issue. Have you whitelisted all of Cloudflare's IPs in your firewall, or tried running with your firewall off temporarily?

 

[Charlie J]

Quite often a firewall issue. Have you whitelisted all of Cloudflare's IPs in your firewall, or tried running with your firewall off temporarily?

I don't think so ;-; I have the cloudflare thing within my dev site but unsure on my main, I'll check and edit the post.

Edit: i have cloudflare detect enabled
I use centos 6.8
I use php 5.3

Error:
Zend_Db_Statement_Mysqli_Exception: Mysqli statement execute error : Can't create a new thread (errno 11); if you are not out of available memory, you can consult the manual for a possible OS-dependent bug - library/Zend/Db/Statement/Mysqli.php:214

 

[WSWD]

I have no idea what CloudFlare Detect is, but you need to make sure your firewall is not blocking their IPs, assuming you are running some sort of firewall on your server.

 

[Anthony Parsons]

Cloudflare IP range should be placed into your firewall whitelist: https://www.cloudflare.com/ips/

if you are not out of available memory

Are you out of memory?