3280746 - How to enforce all web-based login to use SAML2 in ABAP system

SAML is enabled for web-based login to ABAP system.
According to KBA 2945880, end-users are able to bypass SAML by adding 'saml2=disabled' in accessed URL.
The requirement is that all web-based login should be forced to use SAML, and anyone who tries to use 'saml2=disabled' should be denied.

SAP Netweaver ABAP system

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