When attempting to access the Sigma portal login URL, which is SiteMinder-protected. The portal is throwing an error "Request Failed: Please contact your system administrator for support."
In the SiteMinder logs, we observed a status of "authorized" during the attempt. When temporarily disabling the SM integration in IP, the login works fine.
The Identity Portal (Sigma) log shows Invalid CSRF Token found:
[0m [32m11:29:05,911 DEBUG [org.springframework.security.
[0m [32m11:29:05,911 DEBUG [org.springframework.security.
Identity Portal, protected by Siteminder SSO.
Disable CSRF within the Identity Portal configuration. Make sure "Enable CSFR" is unchecked.