Configure MFA Between Okta and the Firewall
Multi-factor authentication allows you to protect company assets by using multiple factors to verify the identity of users before allowing them to access network resources.
To enable multi-factor authentication (MFA) between the firewall and the Okta identity management service:
Log in to the Okta Admin Portal to create your user accounts, define your Okta MFA policy, and obtain the token information required to configure MFA with Okta on the firewall.
- Create your Okta Admin user account.
- Submit your email address and name, then clickGet Started.
- Click the link in the confirmation email and use the included temporary password to log in to the Okta Admin Portal.
- Create a new password that includes at least 8 characters, one lowercase letter, one uppercase letter, a number, and does not include any part of your username.
- Select a password reminder question and enter the answer.
- Select a security image, thenCreate My Account.
- Configure your Okta service.If you log in and are not redirected to the Okta Admin Portal, selectAdminat the upper right.
- From the Okta Dashboard, log in with your Okta Admin credentials, then select.ApplicationsApplications
- SelectAdd Application.
- Search forOkta Verify.
- SelectAdd, thenDone.
- Create one or more user groups to categorize your users (for example, by device, by policy, or by department) and assign the Okta Verify application.
- ClickAdd Group.
- Enter a groupNameand optionally aGroup Description, thenAdd Group.
- Select the group you created, then selectManage Apps.
- Assignthe Okta Verify application you added in Step 2.
- After the application has beenAssigned, clickDone.
- Repeat this process for all groups that will use the Okta Verify application for MFA.
- Add users and assign them to a group.
- From the Okta Dashboard, select.DirectoryPeopleAdd Person
- Enter the user’sFirst Name,Last Name, andUsername. The username must match thePrimary email, which populates automatically, and the username entered on the firewall. You can optionally enter an alternate email address for the user as theSecondary Email.
- Enter the name of the group orGroupsto associate with this user. When you start typing, the group name populates automatically.
- CheckSend user activation email now, thenSaveto add a single user orSave and Add Anotherto continue adding users.
- Assign a test policy to users.
- Select.SecurityAuthenticationSign OnThere is aDefault Policywith aDefault Rulethat does not prompt users to log in with MFA.
- Enter theRule Nameand checkPrompt for Factorto enforce the MFA prompt, and select the type of prompt (Per Device,Every Time, orPer Session), thenCreate Rule.
- Record the Okta authentication token information in a safe place because it is only displayed once.
- SelectCreate Token.
- Enter a name for the token, thenCreate Token.
- Copy theToken Value.You can click theCopy to clipboardbutton to copy the Token Value to your clipboard.
- In the URL for the Okta Admin Dashboard, copy the portion of the URL afterhttps://up to/adminto use as theAPI host.
- Omit the domainokta.comfrom this URL to use as theOrganization.For example, in the example Okta Admin Dashboard URL above,https://paloaltonetworks-doc-admin.okta.com/admin/dashboard:
- The API hostname ispaloaltonetworks-doc-admin.okta.com.
- The Organization ispaloaltonetworks-doc-admin.
- Export all certificates in the certificate chain using Base-64 encoding:
- Depending on your browser, use one of the following methods to export all certificates in the chain.
- Chrome—PressF12, then select.SecurityView CertificateDetailsCopy to File
- Firefox—Select.OptionsPrivacy & SecurityView CertificatesExport
- Internet Explorer—Select.SettingsInternet OptionsContentCertificatesExport
- Use the Certificate Export Wizard to export all certificates in the chain and selectBase-64 encoded X.509as the format.
Configure the firewall to integrate with Okta
- Add aMulti Factor Authentication Server Profilefor Okta.
- Select.DeviceServer ProfilesMulti Factor Authentication
- Addan MFA server profile.
- Enter aProfile Name.
- Select theCertificate Profileyou created in Step 1 in Configure the firewall to integrate with Okta.
- SelectOkta Adaptiveas theMFA Vendor.
- Enter theAPI Host,Token, andOrganizationfrom Step 4 in Configure the firewall to integrate with Okta.
- Configure Captive Portal usingRedirect Modeto redirect users to the MFA vendor’s challenge.
- Enable response pages on the Interface Management Profile to redirect users to the response page challenge.
- Enable User-ID on the source zone to require identified users to respond to the challenge using your MFA vendor.
- Create an Authentication Enforcement Object to use the MFA vendor and create an Authentication policy rule (see Configure Authentication Policy, Steps 4 and 5).
- Commityour changes.
Verify MFA with Okta
- Verify your users received their enrollment emails, have activated their accounts, and have downloaded the Okta Verify app on their devices.
- Go to a website that will prompt the response page challenge.If you are using a self-signed certificate instead of a PKI-assigned certificate from your organization, a security warning displays that users must click through to access the challenge.
- Log in to the response page using your Okta credentials.
- Confirm the device receives the challenge push notification.
- Confirm users can successfully access the page after authenticating the challenge by accepting the push notification on their devices.
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