How to get real user IP-address when working via CLICKIO CDN?
When working via Clickio CDN - all requests to the site will be sent from Clickio servers, however, the original user IP can be found in these HTTP headers:
X-Real-IP- Initial user IP-address
X-ProxyUser-Ip- Initial user IP-address
WPCDN-IP- Initial user IP-address
X-Forwarded-For- a queue of IP-address translations (starting with the initial address)
X-Request-ID- CLICKIO request id