How to get IP [SWF]

Hello.

I'm owner of a game server(I have admin access, but not on SSH , only on the main website, i need to find the "IP's of the players who play with "cheats,etc" for ban them. It's a Adobe Game extension it's ".swf" ,it's a website, i want for get all the IP's, but not works i get the "Cloudflare IP".

I try with HTTP(on filter), but not works.. i get the CF ip + images/photos of players.

I use Ubuntu 16.04

Thanks you.