Oh if you’re the same person on Xenforo forums that I directed to ask on this forum, then Xenforo’s image and link proxy Options - XenForo 2 Manual can reveal your server real IP by default unless you configure a separate server forward HTTP proxy and set it in Xenforo config file
$config['http']['proxy'] Config.php options - XenForo 2 Manual
HTTP client settings
These settings control the behavior of the internal XenForo HTTP client, which is used to fetch resources from across the internet, such as images and web pages when using the Image and link proxy.
sslVerifysetting will force the system the verify the SSL certificate of any sites it visits using the SSL/HTTPS when requesting resources. Setting this value to
truecan be of benefit in some circumstances, but there are a number of ways that SSL certificate verification can fail, resulting in an inability to fetch the resource requested. If in doubt, leave this setting alone.
If you want the internal XenForo HTTP client to perform its requests through a proxy, enter the proxy server’s address in the
That’s what I do for my Xenforo forums. You can see discussion at XF 1.5 - Untrusted Http Client | Page 3 | XenForo community