Which step is the first for web-based single sign-on login?

The correct answer is D. Request access to protected service. The web-based SSO flow follows a specific sequence. The user first requests access to a protected service (D). Only after that request is made does the service provider redirect the user to the Identity Provider (IdP) for authentication (B). The user then authenticates with the…

Single Sign-On

Question

Options

AAuthenticate.
BRedirect to IdP to get authenticated.
CPresent authentication assertion.
DRequest access to protected service.

How the community answered

(31 responses)

B
3% (1)
C
3% (1)
D
94% (29)

Explanation

The web-based SSO flow follows a specific sequence. The user first requests access to a protected service (D). Only after that request is made does the service provider redirect the user to the Identity Provider (IdP) for authentication (B). The user then authenticates with the IdP (A), and finally the IdP presents an authentication assertion (token/ticket) back to the service provider (C). The entire SSO process is triggered by the initial access request - nothing else happens until the user tries to reach a protected resource.

Topics

#Single Sign-On (SSO)#Web-based SSO#SSO Flow#Authentication Process

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