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Duo Protection for Adobe Document Cloud (Formerly EchoSign)

Duo offers a variety of methods for adding two-factor authentication and flexible security policies to Adobe Document Cloud SSO logins, complete with inline self-service enrollment and Duo Prompt.

Overview

As business applications move from on-premises to cloud hosted solutions, users experience password fatigue due to disparate logons for different applications. Single sign-on (SSO) technologies seek to unify identities across systems and reduce the number of different credentials a user has to remember or input to gain access to resources.

While SSO is convenient for users, it presents new security challenges. If a user's primary password is compromised, attackers may be able to gain access to multiple resources. In addition, as sensitive information makes its way to cloud-hosted services it is even more important to secure access by implementing two-factor authentication.

Duo Access Gateway

Duo Access Gateway (DAG), our on-premises SSO product, layers Duo's strong authentication and flexible policy engine on top of Document Cloud logins using the Security Assertion Markup Language (SAML) 2.0 authentication standard. Duo Access Gateway authenticates your users using existing on-premises or cloud-based directory credentials and prompts for two-factor authentication before permitting access to Document Cloud.

Duo Access Gateway is included in the Duo Beyond, Duo Access, and Duo MFA plans, which also include the ability to define policies that enforce unique controls for each individual SSO application. For example, you can require that Salesforce users complete two-factor authentication at every login, but only once every seven days when accessing Document Cloud. Duo checks the user, device, and network against an application's policy before allowing access to the application.

Deploy Duo Access Gateway

  1. Install Duo Access Gateway on a server in your DMZ. Follow our instructions for deploying the server, configuring DAG settings, and adding your primary authentication source.

  2. Add the attributes from the table below that correspond to the Duo attributes Mail attribute and Username attribute in the "Attributes" field when configuring your Active Directory or OpenLDAP authentication source in the DAG admin console, separated by a comma. For example, if Active Directory is your authentication source, enter mail,sAMAccountName in the "Attributes" field.

    Duo Attribute Active Directory OpenLDAP
    Mail attribute mail mail
    Username attribute sAMAccountName uid

    If your organization uses other directory attributes than the ones listed here then enter those attribute names instead. If you've already configured the attributes list for another cloud service provider, append the additional attributes not already present to the list, separated by a comma.

  3. After completing the initial DAG configuration steps, click Applications on the left side of the Duo Access Gateway admin console.

  4. Scroll down the Applications page to the Metadata section. This is the information you need to provide to Document Cloud when configuring SSO. Click the Download Certificate link to obtain the token signing certificate (the downloaded file is named "dag.crt").

    DAG Metadata Information

Whitelist Email Domain

Document Cloud requires your domain to be whitelisted by Adobe before allowing it to be used during SSO on your Document Cloud account. While signed into Document Cloud as an administrator you must create a technical support request. In your request include the name of your e-mail domain and ask for it to be whitelisted to be used with SAML SSO. Continue with configuration once Adobe confirms they have whitelisted your domain.

Enable Document Cloud SSO

Add the Duo Access Gateway as a new single sign-on provider for Document Cloud.

  1. Log on to Document Cloud as an administrative user and navigate to AccountAccount SettingsSAML Settings.

  2. Once on the "SAML Settings" page select the SAML Mandatory option under SAML Mode. You may also choose to continue allowing your Administrator accounts to log in using their Document Cloud credentials.

  3. For the Hostname setting you must pick a unique name. Users will then log into Document Cloud using the completed hostname.

    Example: yourhostname.echosign.com

  4. Under User Creation you can pick different options about automatically creating Document Cloud users.

  5. The settings for Login Page Customization should be left blank.

  6. Copy the Entity ID information from the Duo Access Gateway admin console Metadata display and paste it into the Document Cloud IdP Entity ID field.

    Example: https://yourserver.example.com/dag/saml2/idp/metadata.php

  7. Copy the Logout URL information from the Duo Access Gateway admin console Metadata display and paste it into the Document Cloud IdP Logout URL field.

    Example: https://yourserver.example.com/dag/saml2/idp/SingleLogoutService.php

  8. Copy the SSO URL information from the Duo Access Gateway admin console Metadata display and paste it into the Document Cloud IdP Login URL field.

    Example: https://yourserver.example.com/dag/saml2/idp/SSOService.php

  9. The "IdP Certificate" is the DAG Metadata certificate supplied by Duo Access Gateway. Open the dag.crt file in a text editor (like Notepad), and copy the entire contents of the file (including the -----BEGIN CERTIFICATE----- and -----END CERTIFICATE----- lines). Paste the certificate file text into this field.

  10. After you've entered all the required information click Save.

    Document Cloud Single Sign-On Additional Settings

Contact Document Cloud support to learn more about Document Cloud SSO.

Create the Document Cloud Application in Duo

  1. Log on to the Duo Admin Panel and navigate to Applications.

  2. Click Protect an Application, locate SAML - Adobe Document Cloud in the applications list, and click Protect this Application. See Getting Started for help.

  3. The Hostname is the hostname used when logging into your company's Document Cloud. For example, if your Document Cloud login URL is yourhostname.echosign.com then enter yourhostname as the hostname in Duo.

  4. Document Cloud uses the Mail attribute when authenticating. We've mapped Mail attribute to DAG supported authentication source attributes as follows:

    Duo Attribute Active Directory OpenLDAP SAML IdP Google Azure
    Mail attribute mail mail mail email mail

    If you are using a non-standard email attribute for your authentication source, check the Custom attributes box and enter the name of the attribute you wish to use instead.

  5. Click Save Configuration to generate a downloadable configuration file.

    Duo Document Cloud Application Settings

  6. You can adjust additional settings for your new SAML application at this time — like changing the application's name from the default value, enabling self-service, or assigning a group policy — or come back and change the application's policies and settings after you finish SSO setup. If you do update any settings, click the Save Changes button when done.

  7. Click the Download your configuration file link to obtain the Document Cloud application settings (as a JSON file).

    Important: This file contains information that uniquely identifies this application to Duo. Secure this file as you would any other sensitive or password information. Don't share it with unauthorized individuals or email it to anyone under any circumstances!

Add the Document Cloud Application to Duo Access Gateway

  1. Return to the Applications page of the DAG admin console session.

  2. Click the Choose File button in the "Add Application" section of the page and locate the Document Cloud SAML application JSON file you downloaded from the Duo Admin Panel earlier. Click the Upload button after selecting the JSON configuration file.

  3. The Document Cloud SAML application is added.

    Document Cloud Application Added

Verify SSO

You can log on to Document Cloud using your organization’s domain login page e.g. https://yourhostname.echosign.com. This redirects to the Duo Access Gateway login page. Enter your primary directory logon information, approve Duo two-factor authentication, and get redirected back to the Document Cloud site after authenticating.

DAG Login and Authentication Prompt

Congratulations! Your Document Cloud users now authenticate using Duo Access Gateway.

Microsoft AD FS

Microsoft's Active Directory Federation Services (AD FS) is a popular choice for SSO because it easily integrates with the AD identity store many organizations already have deployed. Duo's support for cloud applications and SSO drops in to an existing AD FS installation to provide secondary authentication after a user passes primary authentication (successful Active Directory logon).

If you don't already have AD federation running the first step is to install and configure Microsoft AD FS in your organization. Microsoft's Deployment Guides for AD FS versions 2.0, 2.1, and 3.0 are available on the TechNet site.

Once your AD FS services are up and running, the second step is to configure the SSO partnership between your AD FS service and the external cloud resource, in this case Document Cloud. Learn more about configuring Document Cloud SSO with AD FS at the Document Cloud Support site.

After you have successfully configured and tested AD FS SSO login to Document Cloud using your AD domain credentials, you can then install the Duo AD FS integration. AD FS protection is included with Duo's paid plans.

With the Duo integration for AD FS installed, users pass primary authentication to the AD FS service as usual. Once primary authentication succeeds, users are forwarded to the Duo service for secondary authentication. After approving logon using one of Duo's authentication methods, the user is fully logged in to Document Cloud.

Other Identity Partners

Using a third-party SSO provider for cloud application access? Duo partners with leading cloud SSO providers like Okta and OneLogin to secure access with our strong and flexible authentication platform.

You can also use Duo two-factor authentication with CAS and Shibboleth on-premises IdPs.

Troubleshooting

Need some help? Try searching our Knowledge Base articles or Community discussions. For further assistance, contact Support.

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