# KBC-19 https://jira.nodeart.app/browse/KBC-19 At that moment postback flow looks like that: CF: Cloudfalre IA: Income Access GTM: Google Tag Manager ```flow st=>start: user e=>end: happy affiliate op=>operation: CF http://ia.kb.com/bla redirect to https:// :> http://ia.kingbillycasino.com/C.ashx?btag=a_2541b_47c_&affid=17&siteid=2541&adid=47&c= op2=>operation: IA Tracking link (ia.kb.com) :> https://ia.kingbillycasino.com/C.ashx?btag=a_2541b_47c_&affid=17&siteid=2541&adid=47&c= op3=>operation: CF rewrite cookie ia.kb.com to .kb.com :> https://dash.cloudflare.com/df3d22d535d31ae83574535632890645/workers/edit/root-domain-cookies op4=>operation: IA redirect to kb.com :> https://www.kingbillycasino.com/?btag=a_2541b_47c_ op5=>operation: user registration kb.com op6=>operation: GTM aam/reg call with all kb Cookies :> https://tagmanager.google.com/#/container/accounts/1047038299/containers/6246725/workspaces/41/tags op7=>operation: CF makes request to IA with Cookies from aam :> https://dash.cloudflare.com/df3d22d535d31ae83574535632890645/workers/edit/proxypixel-registration op8=>operation: IA update data in report op9=>operation: IA send postback to affiliare st->op->op2->op3->op4->op5->op6->op7->op8->op9->e ``` Resulting postback link: > http://wlkingbilly.adsrv.eacdn.com/Processing/Pixels/Registration.ashx?PlayerID=497001&mid=2 Cookies attached: > __cfduid=d27306fbfb3d435aa0926659f2d95c3711592154147; > CEK=a; > XYZ=120&5&19&&&&0&1&&6a0b0e91-91af-4469-8202-bb9fea4c899a&&a_2401b_640&; > LaVisitorNew=Y; > LaVisitorId=elp9bwd7hrv7dyfimvtjx2dleno4a; > LaSID=ykwxl05pljwavt7c62o97cg3qungk; > locale=ImVuIg%3D%3D--2a9b810f4dfaf9970f75ab469084b3283545b0dc; > _ga=GA1.2.1862344295.1592154476; > _gid=GA1.2.1066163285.1592154476; > _gat_gtag_UA_90542625_1=1; > _xpid=762692998; > _xpkey=SwQNly4wNCBFaTZ3-noJKI5OmvdsUVtj; > _gat_xtremepush=1; > _hjid=48d9bb64-792c-44ce-851c-294da1af0655; > _cookies_accepted=true; > trackers=Int9Ig%3D%3D--d6f8b78db959f05f6f3858ca55bfa14b1b1601b9; > _casino_session=c2b510a19f9c33371241922c60d721ea; > _gat_UA-90542625-1=1 > From Cookies attached we can see `CEK` and `XYZ` cookies which a IA cookies used for clicktracking.