Configure a GlobalProtect Gateway
After you have completed the prerequisite tasks, configure the GlobalProtect Gateways:
- Add a gateway.
- Select NetworkGlobalProtectGateways and click Add.
- In the General screen, enter a Name for the gateway. The gateway name should have no spaces and, as a best practice, should include the location or other descriptive information to help users and administrators identify the gateway.
- (Optional) Select the virtual system to which this gateway belongs from the Location field.
- Specify the network information that enables clients
to connect to the gateway.If you haven’t created the network interface for the gateway, see Create Interfaces and Zones for GlobalProtect for instructions.Do not attach an interface management profile that allows HTTP, HTTPS, Telnet, or SSH on the interface where you have configured a GlobalProtect portal or gateway because this enables access to your management interface from the Internet. Follow the Best Practices for Securing Administrative Access to ensure that you are securing administrative access to your firewalls in a way that will prevent successful attacks.
- Select the Interface that clients will use for communication with the gateway.
- Select the IP Address for the gateway web service.
- Click OK to save changes.
- Specify how the gateway authenticates users.If you haven’t created an SSL/TLS service profile for the gateway, see Deploy Server Certificates to the GlobalProtect Components.If you haven’t set up the authentication profiles or certificate profiles, see Set Up GlobalProtect User Authentication for instructions.Select Authentication and then configure any of the following:
- To secure communication between the gateway and the agents, select the SSL/TLS Service Profile for the gateway.
- To authenticate users with a local user database or an external authentication service, such as LDAP, Kerberos, TACACS+, or RADIUS (including OTP), Add a Client Authentication configuration with the following settings:
- Enter a Name to identify the client authentication configuration.
- Identify the type of client to which this configuration applies. By default, the configuration applies to Any client, but you can customize the type of endpoint by OS (Android, Chrome, iOS, Mac, Windows, or WindowsUWP) or by third-party IPSec VPN clients (X-Auth).
- Select or add an Authentication Profile to authenticate an endpoint seeking access to the gateway.
- Enter an Authentication Message to help end users understand which credentials to use when logging in. The message can be up to 100 characters in length (default is Enter login credentials).
- To authenticate users based on a client certificate or a smart card/CAC, select the corresponding Certificate Profile.
- To use two-factor authentication, select both an authentication profile and a certificate profile. Keep in mind that the user must successfully authenticate using both methods to be granted access.
- Enable tunneling and configure the tunnel parameters.The tunnel parameters are required if you are setting up an external gateway. If you are configuring an internal gateway, they are optional.If you want to force use of SSL-VPN tunnel mode, clear the Enable IPSec check box. By default, SSL-VPN will only be used if the endpoint fails to establish an IPSec tunnel.Extended authentication (X-Auth) is only supported on IPSec tunnels.If you Enable X-Auth Support, GlobalProtect IPSec Crypto profiles are not applicable.
- On the GlobalProtect Gateway Configuration dialog, select AgentTunnel Settings.
- Select the Tunnel Mode check box to enable tunneling.
- Select the Tunnel Interface you defined in 2 in Create Interfaces and Zones for GlobalProtect.
- (Optional) Specify Max User for the maximum number of users that can access the gateway at the same time for authentication, HIP updates, and GlobalProtect agent updates (range varies based on the platform and is displayed when the field is empty).
- (Optional) Select a GlobalProtect IPSec
Crypto profile to secure the VPN tunnels between GlobalProtect
agents and gateways. The default uses AES-128-CBC
encryption and SHA1 authentication.You can also create a new IPSec crypto profile. To create a new profile, select NewGlobalProtect IPSec Crypto in the same drop-down and configure the following:
- Enter a Name to identify the profile.
- Add the Encryption and Authentication algorithms that the VPN peers can use to negotiate the keys for securing the data in the tunnel:
- Encryption—If you are not certain of what encryption algorithms the VPN peers support, you can add multiple algorithms in top-to-bottom order of most-to-least secure, as follows: aes-256-gcm, aes-128-gcm, aes-128-cbc. The peers negotiate the strongest algorithm to establish the tunnel.
- Authentication—Select the authentication algorithm (sha1) to provide data integrity and authenticity protection. Although the authentication algorithm is required for the profile, this setting only applies to the AES-CBC cipher (aes-128-cbc). If you use an AES-GCM encryption algorithm (aes-256-gcm or aes-128-gcm), the setting is ignored because these ciphers natively provide ESP integrity protection.
- Click OK to save the profile.
- (Optional) Select Enable X-Auth Support if
any endpoint needs to connect to the gateway by using a third-party
VPN (for example, a VPNC client running on Linux). If you enable
X-Auth, you must provide the Group name and Group
Password if the endpoint requires it. By default, the user
is not required to re-authenticate if the key used to establish
the IPSec tunnel expires. To require users to re-authenticate, clear
the option to Skip Auth on IKE Rekey.To Enable X-Auth Support for strongSwan endpoints, you must also disable the option to Skip Auth on IKE Rekey because these endpoints require re-authentication during IKE SA negotiation. In addition, you must add the closeaction=restart settingto the conn %default section of the strongSwan IPSec configuration file. See Set Up Authentication for strongSwan Ubuntu and CentOS Clients for more information on the StrongSwan IPSec configuration.Although X-Auth access is supported on iOS and Android endpoints, it provides limited GlobalProtect functionality on these endpoints. Instead, use the GlobalProtect app for simplified access to all the security features that GlobalProtect provides on iOS and Android endpoints. The GlobalProtect app for iOS is available at the Apple App Store. The GlobalProtect app for Android is available at Google Play.
- (Optional) Modify the default timeout settings for endpoints.On the GlobalProtect Gateway Configuration dialog, select AgentTimeout Settings and then configure the following settings:
- Modify the maximum Login Lifetime for a single gateway login session. The default login lifetime is 30 days—during the lifetime, the user stays logged in as long as the gateway receives a HIP check from the endpoint within the Inactivity Logout period. After this time, the login session automatically logs out.
- Modify the amount of time after which an inactive session is automatically logged out. The default Inactivity Logout period is 3 hours. A user is logged out of GlobalProtect if the gateway does not receive a HIP check from the endpoint during the configured amount of time.
- Modify the number of minutes after which idle users are logged out of GlobalProtect. The default period for Disconnect on Idle is 180 minutes. Users are logged out of GlobalProtect if the GlobalProtect agent has not routed traffic through the VPN tunnel in the configured amount of time. This setting applies to GlobalProtect agents that use the on-demand connect method only.
- (Optional) Configure authentication override settings
to enable the gateway to generate and accept secure, encrypted cookies
to authenticate the user. This capability allows the user to provide
login credentials only once during a specified period of time (for
example, every 24 hours).By default, a gateway authenticates the user with an authentication profile and optional certificate profile. When authentication override is enabled, GlobalProtect caches the result of a successful login and uses the cookie to authenticate the user instead of prompting the user for credentials. For more information, see How Does the Agent or App Know What Credentials to Supply to the Portal and Gateway?. If client certificates are required, the endpoint must also provide a valid certificate to be granted access.In the event that you need to immediately block access to a device whose cookie has not yet expired (for example, if the device is lost or stolen), you can immediately Block Device Access by adding the device to a block list.
- On the GlobalProtect Gateway Configuration dialog, select AgentClient Settings.
- Add a new agent configuration or select an existing configuration.
- Enter a Name to identify the agent configuration.
- Configure the following settings in the Authentication
- Generate cookie for authentication override—Enable the gateway to generate encrypted, endpoint-specific cookies and issue the authentication cookies to the endpoint.
- Cookie Lifetime—Specify the hours, days, or weeks that the cookie is valid. Default is 24 hours. The range for hours is 1–72; for weeks, 1–52; and for days, 1–365. After the cookie expires, the user must enter login credentials, and the gateway subsequently encrypts a new cookie to send to the agent. This value can be the same as or different from the Cookie Lifetime you configure for the portal.
- Accept cookie for authentication override—Enable the gateway to authenticate users with a valid, encrypted cookie. When the agent presents a valid cookie, the gateway verifies that the cookie was encrypted by the portal or gateway, decrypts the cookie, and then authenticates the user.
- Certificate to Encrypt/Decrypt Cookie—Select the RSA certificate to use to encrypt and decrypt the cookie. You must use the same certificate on the portal and gateways.As a best practice, configure the RSA certificate to use the strongest digest algorithm that your network supports.The portal and gateways use the RSA encrypt padding scheme PKCS#1 V1.5 to generate the cookie (using the public key of the certificate) and decrypt the cookie (using the private key of the certificate).
- Configure the user or user group and the endpoint OS
to which the agent configuration applies.The gateway uses the user/user group settings you specify to determine which configuration to deliver to the GlobalProtect agents that connect. Therefore, if you have multiple configurations, you must make sure to order them properly. As soon as the gateway finds a match, it will deliver the configuration. Therefore, more specific configurations must precede more general ones. See 9 for instructions on ordering the list of agent configurations.Network settings are not required in internal gateway configurations in non-tunnel mode, because agents use the network settings assigned to the physical network adapter.In a gateway agent configuration, select the User/User Group tab and configure the following settings:
Before you can restrict the configuration to specific groups, you must map users to groups as described in Enable Group Mapping.
- To deliver this configuration to agents or apps running on specific operating systems, Add the OS (Android, Chrome, iOS, Mac, Windows, or WindowsUWP) to which this configuration applies. Or leave the value in this section set to Any to deploy the configuration based on user/group only.
- To restrict this configuration to a specific user and/or group, click Add in the User/User Group section of the window and then select the user or group you want to receive this configuration from the drop-down. Repeat this step for each user/group you want to add.
- To restrict the configuration to users who have not yet logged in to their systems, select pre-logon from the User/User Group drop-down.
- To apply the configuration to any user regardless of login status (both pre-logon and logged in users), select any from the User/User Group drop-down.
- (Tunnel Mode only) Configure the network settings to
assign to the virtual network adapter on the endpoint when an agent
establishes a tunnel with the gateway.Network settings are not required in internal gateway configurations in non-tunnel mode because agents use the network settings assigned to the physical network adapter.You can optionally use address objects—which allow you to group specific source or destination addresses—when configuring gateway IP address pools or access routes.In a gateway agent configuration, select the AgentNetwork Settings tab and configure any of the following settings and then click OK:
The authentication server IP address pool must be large enough to support all concurrent connections. IP address assignment is static and is retained after the user disconnects.
- To specify the authentication server IP address pool to assign addresses to endpoints that require static IP addresses, select the Retrieve Framed-IP-Address attribute from authentication server check box and then Add the subnet or IP address range to use to assign to remote users in the Authentication Server IP Pool area. When the tunnel is established, an interface is created on the remote user’s computer with an address in the subnet or IP range that matches the Framed-IP attribute of the authentication server.
- To specify the IP Pool to use to assign IP addresses, click Add and then specify the IP address range or address object to use. As a best practice, use a different range of IP addresses from those assigned to endpoints that are physically connected to your LAN to ensure proper routing back to the gateway.
- To disable split tunneling including direct access to local networks on Windows and Mac OS systems, enable No direct access to local network. In this case, users cannot send traffic to proxies or local resources while connected to GlobalProtect.
- To define what destination subnets to route through the tunnel click Add in the Access Route area and then enter the routes as follows:
The firewall supports up to 100 access routes.
- Full-tunneling—To route all endpoint traffic GlobalProtect, enter 0.0.0.0/0 as the access route. You will then need to use security policy to define what zones the endpoint can access (including untrust zones). The benefit of this configuration is that you have visibility into all VPN traffic and you can ensure that endpoints are secured according to your policy even when they are not physically connected to the LAN. Note that in this configuration traffic destined for the local subnet goes through the physical adapter, rather than being tunneled to the gateway.
- Split-tunneling—To route only some traffic—likely traffic destined for your LAN—to GlobalProtect, specify the destination subnets or address object (of type IP Netmask) that must be tunneled. In this case, traffic that is not destined for a specified access route will be routed through the endpoint’s physical adapter rather than through the virtual adapter (the tunnel).
the gateway agent configurations so that the proper configuration
is deployed to each agent.When an agent connects, the gateway will compare the source information in the packet against the agent configurations you have defined. As with security rule evaluation, the gateway looks for a match starting from the top of the list. When it finds a match, it delivers the corresponding configuration to the agent or app.
- To move a gateway configuration up on the list of configurations, select the configuration and click Move Up.
- To move a gateway configuration down on the list of configurations, select the configuration and click Move Down.
- (Tunnel Mode only) Specify the network configuration
settings for the endpoints.Network settings are not required in internal gateway configurations in non-tunnel mode because in this case agents use the network settings assigned to the physical network adapter.In a GlobalProtect Gateway Configuration, select the AgentNetwork Services tab and configure the settings for endpoints in one of the following ways:
- If the firewall has an interface that is configured as a DHCP client, set the Inheritance Source to that interface and the GlobalProtect agent will be assigned the same settings received by the DHCP client. You can also Inherit DNS Suffixes from the inheritance source.
- Manually assign the DNS server(s) and suffix, and WINS servers by completing the corresponding fields.
- (Optional) Define the notification messages end users
will see when a security rule with a host information profile (HIP)
is enforced.This step only applies if you have created host information profiles and added them to your security policies. For details on configuring the HIP feature and for more detailed information about creating HIP notification messages, see Use Host Information in Policy Enforcement.In a GlobalProtect Gateway Configuration, select the AgentHIP Notification tab and Add a new HIP Notification configuration:
- From the Host Information drop-down, select the HIP object or profile to which this message applies.
- Select Match Message or Not Match Message and then Enable notifications, depending on whether you want to display the message when the corresponding HIP profile is matched in policy or when it is not matched. In some cases, you might want to create messages for both a match and a non-match, depending on the objects on which you are matching and what your objectives are for the policy. For the Match Message, you can also enable the option to Include Mobile App List to indicate what applications can trigger the HIP match.
- Select whether you want to display the message as a System Tray Balloon or as a Pop Up Message.
- Enter and format the text of your message in the Template text box and then click OK.
- Repeat these steps for each message you want to define.
- Save the gateway configuration.
- Click OK to save the settings and close the GlobalProtect Gateway Configuration dialog.
- Commit the changes.
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