Available on Basic and Business

Not available on Free

Admin Privileges Required

In OneLogin, add a new SAML 2.0 Application. In this example, we used a SAML Test Connector (IdP w/ attr w/ sign response) application. Once the application is created, go to the Configuration tab.

  • RelayState should be empty

  • Audience (EntityID) is something you can make up. The URI doesn't need to exist, but it *must* be copy-pasted into your Team auth settings. On the Team Auth Settings page (/admin/auth-settings), this will be used as the "Audience Restriction".

  • ACS (Consumer) URL Validator and ACS (Consumer) URL can be set to the same value. This is the Assertion Consumer Service URL of your Team, which can be found on https://stackoverflow.com/c/yourteam/admin/auth-settings, on the right sidebar

Now go to the Parameters tab. You must have at least one parameter for the user display name and one for the user email. Both must be included in the SAML assertions, so when adding the custom parameters, make sure you check the Include in SAML assertion checkbox.

These are the custom parameters we have configured for this example. The Email parameter was already configured, so we just added a new one that we called Name:

We must now setup our Team for using this OneLogin connector. Click on the SSO tab and open the Team Auth Settings page on a separate tab: https://stackoverflow.com/c/yourteam/admin/auth-settings

You'll need to fill the following fields according to what you got on OneLogin:

  • Single Sign-On Service Url: that's the SAML 2.0 Endpoint seen above

  • Single Sign-On Service Protocol Binding: do not change, leave as POST

  • Issuer: that's the Issuer URL seen above

  • Audience Restriction: should match the Audience you set on the OneLogin Configuration tab

  • Display Name Assertion: should match the SAML Test Connector (IdP) Field, on the Parameters tab, for the user display name. In our example, that was the "Name" parameter.

  • Email Address Assertion: should match the SAML Test Connector (IdP) Field, on the Parameters tab, for the user email

  • Leave all checkboxes unchecked

  • Identity Provider Certificates: copy and paste the certificate for your OneLogin setup. This can be found clicking on View Details for the certificate generated by OneLogin in the screenshot above.

This is how you should setup your Team for the settings above:

After pressing "Authenticate and enable SSO" please wait for the green "SSO Successful" banner to appear. Once you see that, you are all set to start using SSO.

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