I having some issued here,
I had already install and config sso by webgate on ohs, ohs use proxy pass to backend web server run on IIS.
And I got this error when I access website that host on backend web server it redirect to OAM Login page for authencation.
Alter Login success it redirect to target website but when I click other link it redirect to login page again.
On Browser I see this error :"Has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is persent on the requested resource"