Configure an Authentication Profile and Sequence
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Configure an Authentication Profile and Sequence
An authentication profile defines the authentication
service that validates the login credentials of administrators who
access the firewall web interface and end users who access applications
through Authentication Portal or GlobalProtect. The service can
be Local
Authentication that the firewall provides or External
Authentication Services. The authentication profile also
defines options such as Kerberos single
sign-on (SSO).
Some networks have multiple databases (such as TACACS+ and LDAP) for different users and user
groups. To authenticate users in such cases, configure an authentication
sequence—a ranked order of authentication profiles that the firewall
matches a user against during login. By default, the firewall checks against each
profile in sequence until one successfully authenticates the user and a user is
denied access only if authentication fails for all the profiles in the sequence. The
sequence can specify authentication profiles that are based on any authentication
service that the firewall supports excepts Multi-Factor
Authentication (MFA) and SAML.
- (External service only) Enable the firewall to connect to an external server for authenticating users:
- Set up the external server. Refer to your server documentation for instructions.Configure a server profile for the type of authentication service you use.If the firewall integrates with an MFA service through RADIUS, you must add a RADIUS server profile. In this case, the MFA service provides all the authentication factors. If the firewall integrates with an MFA service through a vendor API, you can still use a RADIUS server profile for the first factor but MFA server profiles are required for additional factors.(Local database authentication only) Configure a user database that is local to the firewall.Perform these steps for each user and user group for which you want to configure Local Authentication based on a user identity store that is local to the firewall:
- Add the user account to the local database.(Optional) Add the user group to the local database.(Kerberos SSO only) Create a Kerberos keytab for the firewall if Kerberos single sign-on (SSO) is the primary authentication service.Create a Kerberos keytab. A keytab is a file that contains Kerberos account information for the firewall. To support Kerberos SSO, your network must have a Kerberos infrastructure.Configure an authentication profile.Define one or both of the following:
- Kerberos SSO—The firewall first tries SSO authentication. If that fails, it falls back to the specified authentication Type.
- External authentication or local database authentication—The firewall prompts the user to enter login credentials, and uses an external service or local database to authenticate the user.
- Select DeviceAuthentication Profile and Add the authentication profile.Enter a Name to identify the authentication profile.Select the Type of authentication service.
- If you use Multi-Factor Authentication, the selected type applies only to the first authentication factor. You select services for additional MFA factors in the Factors tab.
- If you select RADIUS, TACACS+, LDAP, or Kerberos, select the Server Profile.
- If you select LDAP, select the Server Profile and define the Login Attribute. For Active Directory, enter sAMAccountName as the value.
- If you select SAML, select the IdP Server Profile.
- If you select Cloud Authentication Service, configure a Cloud Identity Engine instance to communicate with the firewall. For more information on the Cloud Identity Engine, see the Cloud Identity Engine Getting Started guide.
If you want to enable Kerberos SSO, enter the Kerberos Realm (usually the DNS domain of the users, except that the realm is UPPERCASE) and Import the Kerberos Keytab that you created for the firewall or Panorama.(MFA only) Select Factors, Enable Additional Authentication Factors, and Add the MFA server profiles you configured.The firewall will invoke each MFA service in the listed order, from top to bottom.Select Advanced and Add the users and groups that can authenticate with this profile.You can select users and groups from the local database or, if you configured the firewall to Map Users to Groups, from an LDAP-based directory service such as Active Directory. By default, the list is empty, meaning no users can authenticate.You can also select custom groups defined in a group mapping configuration.(Optional) To modify the user information before the firewall sends the authentication request to the server, configure a Username Modifier.- %USERDOMAIN%\%USERINPUT%—If the source does not include the domain (for
example, it uses the sAMAccountName), the firewall adds the
User Domain you specify before the
username. If the source includes the domain, the firewall
replaces that domain with the User
Domain. If the User Domain is
empty, the firewall removes the domain from the user information
that the firewall receives from source before the firewall sends
the request to the authentication server. Because LDAP servers don't support backslashes in the sAMAccountName, don't use this option to authenticate with an LDAP server.
- %USERINPUT%—(Default) The firewall sends the user information to the authentication server in the format it receives from the source.
- %USERINPUT%@%USERDOMAIN%—If the source does not include the domain, the firewall adds the User Domain value after the username. If the source includes domain, the firewall replaces that domain with the User Domain value. If the User Domain is empty, the firewall removes the domain from the user information that the firewall receives from the source before the firewall sends the request to the authentication server.
- None—If you manually enter None:
- For LDAP and Kerberos server profiles, the firewall uses the domain it receives from the source to select the appropriate authentication profile, then removes the domain when it sends the authentication request to the server. This allows you to include the User Domain during the authentication sequence but remove the domain before the firewall sends the authentication request to the server. For example, if you are using an LDAP server profile and the samAccountName as the attribute, use this option so that the firewall does not send the domain to the authentication server that expects only a username and not a domain.
- For RADIUS server profiles:
- If the source sends the user information in domain\username format, the firewall sends the user information to the server in the same format.
- If the source sends the user information in username@domain format, the firewall normalizes the user information to the domain\username format before sending it to the server.
- If the source sends only the username, the firewall adds the User Domain you specify before sending the information to the server in domain\username format.
- For local databases, TACACS+, and SAML, the firewall sends the user information to the authentication server in the format it receives from the source.
Click OK to save the authentication profile.Configure an authentication sequence.Required if you want the firewall to try one or more authentication profiles to authenticate users.- Select DeviceAuthentication Sequence and Add the authentication sequence.Enter a Name to identify the authentication sequence.(Optional but recommended) To expedite the authentication process and avoid the computational load of running the entire authentication sequence if it is not necessary, you can have the firewall Exit the sequence on failed authentication.This option supports the following authentication methods:
- Kerberos
- RADIUS
- TACACS+
- LDAP
- Local database
If you select this option, the authentication sequence ends when the firewall successfully authenticates the authentication profile or if the authentication fails (for example, due to an incorrect password). If the attempt times out or if the firewall does not find a matching user on the allow list, the authentication sequence proceeds to the next authentication profile in the sequence.If you do not select this option, the firewall attempts authentication with all authentication profiles in the sequence and ends the sequence only when an authentication profile authenticates successfully or if all authentication attempts with the authentication profiles in the sequence fail.(Optional but recommended) To expedite the authentication process, select Use domain to determine authentication profile. When you select this option, the firewall matches the domain name that a user enters during login with an authentication profile in the sequence then uses that profile to authenticate the user. If the firewall does not find a match or if you disable the option, the firewall tries the profiles in the top-to-bottom sequence.(Optional but recommended) To normalize the domain name that the user enters during login before applying the authentication sequence, select Use User-ID domain to determine authentication profile. If you do not select this option, the firewall does not normalize the domain name that the user enters during login before applying the authentication profile sequence.Add each authentication profile. To change the evaluation order of the profiles, select a profile and Move Up or Move Down.Click OK to save the authentication sequence.Assign the authentication profile or sequence to an administrative account for firewall administrators or to Authentication policy for end users.- Administrators—Assign the authentication profile based on how you manage administrator
authorization:Authorization managed locally on the firewall—Configure a Firewall Administrator Account.Authorization managed on a SAML, TACACS+, or RADIUS server—Select DeviceSetupManagement, edit the Authentication Settings, and select the Authentication Profile.
- End users—For the full procedure to configure authentication for end users, see Configure Authentication Policy.
Verify that the firewall can Test Authentication Server Connectivity to authenticate users.