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Using Security Assertion Markup Language (SAML), your users can use their Google Cloud credentials to sign in to enterprise-cloud applications.
Set up SSO via SAML for Trello
Here's how to set up single sign-on (SSO) via SAML for the Trello application.
Step 1: Set up Trello as a SAML 2.0 service provider (SP)-
Sign in to your Google Admin console.
Sign in using an account with super administrator privileges (does not end in @gmail.com).
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In the Admin console, go to Menu SecurityAuthenticationSSO with SAML applications.
You must be signed in as a super administrator for this task.
- Copy the SSO URL.
- Click Download to download the X.509 Certificate.
- Go to https://trello.com/sso-configuration.
- Enter the following information:
Enterprise name: Your registered enterprise name.
Contact email address: Your email address
Select your SAML IDP: Other
Do you plan to enforce SSO login for your users? Yes
List company's domain(s) to whitelist: Leave blank.
SAML SSO URL: Enter the Google SSO URL you copied in Step 3.
SAML Certificate: Enter the Google X.509 Certificate you downloaded in Step 4. - Click Submit.
Trello will confirm your enterprise name and email you the ACS URL you need to complete SSO setup in Google in the next step.
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Sign in to your Google Admin console.
Sign in using an account with super administrator privileges (does not end in @gmail.com).
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In the Admin console, go to Menu AppsWeb and mobile apps.
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Click Add appSearch for apps.
- In the search results, hover over the Trello SAML app and click Select.
- On the Google Identity Provider details page, click Continue.
- In the Service provider details section, enter the ACS URL you received from Trello.
- Click Continue.
- On the Attribute mapping page, click the Select field menu and map the following Google directory attributes to their corresponding Trello attributes:
Google directory attribute Trello attribute Basic Information > Primary Email User.Email Basic Information > Last Name User.LastName Basic Information > First Name User.FirstName - (Optional) To enter group names that are relevant for this app:
- For Group membership (optional), click Search for a group, enter one or more letters of the group name, and select the group name.
- Add additional groups as needed (maximum of 75 groups).
- For App attribute, enter the service provider’s corresponding groups attribute name.
Regardless of how many group names you enter, the SAML response will include only groups that a user is a member of (directly or indirectly). For more information, go to About group membership mapping.
- Click Finish.
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Sign in to your Google Admin console.
Sign in using an account with super administrator privileges (does not end in @gmail.com).
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In the Admin console, go to Menu AppsWeb and mobile apps.
- Select Trello.
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Click User access.
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To turn a service on or off for everyone in your organization, click On for everyone or Off for everyone, and then click Save.
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(Optional) To turn a service on or off for an organizational unit:
- At the left, select the organizational unit.
- To change the Service status, select On or Off.
- Choose one:
- If the Service status is set to Inherited and you want to keep the updated setting, even if the parent setting changes, click Override.
- If the Service status is set to Overridden, either click Inherit to revert to the same setting as its parent, or click Save to keep the new setting, even if the parent setting changes.
Note: Learn more about organizational structure.
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To turn on a service for a set of users across or within organizational units, select an access group. For details, go to Use groups to customize service access.
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To turn on a service for a set of users across or within organizational units, select an access group. For details, go to Use groups to customize service access.
- Ensure that your Trello user account email IDs match those in your Google domain.
Trello supports both Identity Provider (IdP) initiated and Service Provider (SP) initiated SSO. Follow these steps to verify SSO in either mode:
IdP-initiated
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Sign in to your Google Admin console.
Sign in using an account with super administrator privileges (does not end in @gmail.com).
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In the Admin console, go to Menu AppsWeb and mobile apps.
- Select Trello.
- At the top left, click Test SAML login.
Trello should open in a separate tab. If it doesn’t, use the information in the resulting SAML error messages to update your IdP and SP settings as needed, then retest SAML login.
SP-initiated
- Close all browser windows.
- Open https://trello.com/auth/saml/login/enterprisename and attempt to sign in. You should be automatically redirected to the Google sign in page.
- Enter your sign in credentials.
- After your sign in credentials are authenticated, you are automatically redirected back to Trello.
As a super administrator, you can automatically provision users in the Trello application.
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