OpenID Providers

Each OpenID provider has an OpenID URI associated with its authentication system to enable the discovery method required for the OpenID process.

When making an initial request to a provider in order to have a user authenticate her account, you will submit the URI of the provider. For instance, the following list details some of the more popular OpenID providers and their OpenID URIs:

We’ll explore how to use these in the OpenID authentication process later in this chapter.

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