Google Search Appliance Authentication/Authorization for Manual de usuario descargar pdf (Pagina 7)

Google Search Appliance: Authentication/Authorization for Enterprise SPI Guide 7

• Depending on the SAML Binding option:

Artifact Binding

• The Identity Provider redirects the user back to the Security Manager providing a

SAMLArtifact

token.

• The Security Manager uses this

SAMLArtifact

and sends an

ArtifactResolve

request to the

identity provider’s Artifact Resolution URL.

• The Identity Provider responds with a SAML

element to the Security Manager. The

in the response contains the identity of the search user.

POST Binding

• The Identity Provider creates an

AuthnStatement

Assertion for this user, digitally signs the

message and responds with an HTML form to auto-submit to the Security Manager. That is, the

HTML form returned by the IdP to the user’s browser contains an HTML form that is auto-

submitted (POST) to the Security Manager (which, in turn, eventually sends the identity to the

search appliance).

• The Security Manager sends this identity enclosed in a SAML

to the search appliance,

which uses it for authorization.

Session Cookie

After a search user logs in using the Authentication SPI, the search appliance maintains a session for the

search user so that the user doesn’t have to reauthenticate to the Identity Provider on every search.

This session is maintained with a cookie named

GSA_SESSION_ID

, which contains the session ID. This

cookie is securely sent over HTTPS and is set for the search appliance’s hostname only.

Note: The Security Manager tags log entries with the session ID, in order to make it easier to follow a

particular session’s activity.

HTTP Redirect Binding and SAML AuthnRequest

When a search user performs a query (having no session cookie set), the search appliance

communicates with the IdP using HTTP 302 Redirects via the security manager.

Figure 2: Initial 302 redirect from the search appliance to the IdP via the REDIRECT Binding.

[1] User performs a secure search.

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Google Search Appliance Authentication/Authorization for Manual de usuario Pagina 7