Plan To Deploy Prisma Access for Mobile Users
Use Prisma Access to secure your organization’s mobile users.
Prisma Access offers two connection methods to secure mobile users; you can secure them using GlobalProtect or secure them using an explicit proxy. The following sections help you to choose which method works best for your deployment and provides you with a checklist to make sure that you have everything ready to deploy Prisma Access for mobile users.
Plan to Secure Mobile Users
This section provides the benefits of each connection method provided by Prisma Access for Users, as well as which connection method fits better in your deployment. If you determine that your deployment would benefit by having some users connect using GlobalProtect and some users connect using an explicit proxy, Prisma Access allows you to distribute the users in your GlobalProtect for Users license between Mobile Users—GlobalProtect and Mobile Users—Explicit Proxy. However, you cannot connect using GlobalProtect and an explicit proxy on the same endpoint.
- Secure Mobile Users with GlobalProtect—If your goal is to secure mobile users’ access to all applications, ports, and protocols, and to get consistent security whether the user is inside or outside your network, use Mobile Users—GlobalProtect. The GlobalProtect infrastructure is deployed for you and scales based on the number of active users and their locations. After you complete the configuration, users then connect to the closest Prisma Access gateway (location) you have onboarded for policy enforcement. This enables you to enforce consistent security for your users even in locations where you do not have a network infrastructure and IT presence.The GlobalProtect app installed on the users' endpoint secures users traffic to internet, SaaS applications, your internal and public cloud resources.
- Secure Mobile Users with an Explicit Proxy—If your organization has designed its network around an explicit proxy design, the explicit proxy connect method will help you quickly replace the existing method and move to the Prisma Access Secure Access Service Edge (SASE) solution. You can then send internet and external SaaS application traffic to the Prisma Access infrastructure and enforce security in the cloud.With an explicit proxy, you configure a proxy URL and a Proxy Auto-Configuration (PAC) file. The GlobalProtect app is not required to be installed on the users’ endpoints.
Secure Mobile Users with GlobalProtect
If you use GlobalProtect to GlobalProtect to secure mobile users, use the following checklist to ensure that you will be able to successfully enable the service and enforce consistent policy for your mobile users (protecting users with the GlobalProtect app installed on their endpoints and allowing users to securely access applications using Clientless VPN).
- Pre-Installation checklist:
- IP address pool—To configure Prisma Access for users, you need to provide an IP address pool that does not overlap with other IP addresses you use internally or with the IP address pool you designated for the Infrastructure Subnet.We recommend using an RFC 1918-compliant IP address pool. While the use of non-RFC 1918-compliant (public) IP addresses is supported, we do not recommend it because of possible conflicts with internet public IP address space.Do not specify any subnets that overlap with the following IP addresses and subnets, because Prisma Access reserves those IP addresses and subnets for its internal use:169.254.169.253, 169.254.169.254, 100.64.0.0/10, 169.254.201.0/24, and 169.254.202.0/24Prisma Access uses this IP address pool to assign IP addresses to the virtual network adapters of endpoints when they connect to Prisma Access using the GlobalProtect app. Each device that connects to a Prisma Access mobile user gateway requires its own IP address. You specify the IP address pools that Prisma Access uses for the IP address allocation during the mobile user onboarding process. We recommend that the number of IP addresses in the pool is 2 times the number of mobile user devices that will connect to Prisma Access. If your organization has a bring your own device (BYOD) policy, or if a single user has multiple user accounts, make sure that you take those extra devices and accounts into consideration when you allocate your IP pools. If the IP address pool reaches its limit, additional mobile user devices will not be able to connect.When mobile user devices connect to a gateway, Prisma Access takes IP addresses from the pools you specified and allocates them to the gateway in /24 blocks. When a /24 block reaches its limit as more user devices log in, Prisma Access allocates more /24 blocks from the pool to the gateway. Prisma Access advertises these /24 subnets into its backbone as they are allocated based on their gateway assignments.
- Template—The Prisma Access GlobalProtect deployment automatically creates a template stack and a top-level template. If you are already running GlobalProtect on premise and you want to leverage your existing configuration, you can add additional templates to the stack to push existing GlobalProtect portal, GlobalProtect gateway, User-ID, server profile (for example, for connecting to your authentication service), certificate, and SSL/TLS service profile configurations to Prisma Access for users. If you do not have templates with existing configuration settings, you can manually enter the required configuration settings when you Secure Mobile Users With GlobalProtect. Additionally, any template(s) you add to the stack must contain the zone configuration for the zones you use to enforce Security policy for your mobile users.
- Parent Device Group—When you configure Prisma Access for users, you must specify a parent device group to use when you push your address groups and Security policy, Security profiles, other policy objects (such as application groups and objects), HIP objects and profiles, and authentication policy that the service requires to enforce consistent policy for your remote users.
- Choose locations that are closest to your users or in the same country as your users. If a location is not available in the country where your mobile users reside, you can pick a location that uses the same language as your mobile users.You can also divide the locations by geographical region. Keeping all locations in a single region allows you to specify an IP address pool for that region only, which can be useful if you have a limited number of IP addresses that you can allocate to the pool. A single regional IP address pool also provides more granular control over deployed regions and allows you to exclude regions as required by your policy or industry regulations.If you have a Local license for Prisma Access for Users and you have a GlobalProtect deployment as well as an Explicit Proxy deployment, you can deploy a maximum of five locations for both deployments combined. You need to allocate the five locations between both deployments (for example, two locations for Mobile Users—GlobalProtect and three locations for Mobile Users—Explicit Proxy). If you have a Worldwide license, there are no restrictions for the maximum number of locations.
- Portal Hostname—Prisma Access for users enables you to quickly and easily set up the portal hostname using a default domain name (.gpcloudservice.com). In this case, the cloud service automatically publishes the hostname to public DNS servers and handles all certificate generation. However, you can opt to use your own company domain name in the portal hostname. If you plan to use your company domain name, you must obtain your own certificates for the portal and configure an SSL/TLS service profile to point to the certificate before you configure the service. Additionally, if you use your own domain name in the portal hostname, you also need to configure your DNS servers to point to the portal DNS CNAME, which is provided during the configuration process.
- Service Connection—You must create and configure a service connection if you want to enable your mobile users to access resources, such as authentication servers, on your internal network (for example, an authentication server in your data center or HQ location) or enable your mobile users to access your remote network locations.Even if you don’t plan to use the connection to provide access to your internal resources, you must configure at least one service connection with placeholder values if you want your mobile users to be able to connect to your remote network locations or if you have mobile users in different geographical areas who need direct access to each other’s endpoints.
- IPv6 Usage in Your Network—Determine whether you want to perform any mitigation for IPv6 traffic in your network to reduce the attack surface. In a dual stack endpoint that can process both IPv4 and IPv6 traffic, mobile user IPv6 traffic is not sent to Prisma Access by default and is sent to the local network adapter on the endpoint instead. For this reason, Palo Alto Networks recommends that you configure Prisma Access to sinkhole IPv6 traffic.
- Set up Logging for GlobalProtect Endpoints—You have two options to collect logs from mobile users who use the GlobalProtect app:
- GlobalProtect App Log Collection for Troubleshooting—Allow the GlobalProtect app to perform end-to-end diagnostic tests to resolve connection, performance, and access issues, and generate troubleshooting and diagnostic logs to be sent to Cortex Data Lake for further analysis. You need to generate a certificate so that the GlobalProtect app can authenticate with Cortex Data Lake to collect the troubleshooting logs. This functionality is under. See GlobalProtect App Log Collection for Troubleshooting for configuration details.PanoramaCloud ServicesConfigurationService SetupGenerate Certificate for GlobalProtect App Log Collection and Autonomous DEM
- Post-Installation checklist:
- Add the Public IP Addresses to an allow list in Your Network—After you onboard your locations, you need to Retrieve Public and Egress IP Addresses for Mobile User Deployments used by each location and add these locations’ IP addresses to an allow list in your network to allow mobile users access to SaaS or public applications. If you add more locations, you will also need to retrieve the new IP addresses that Prisma Access allocates for the newly-added location or locations.
Secure Mobile Users With an Explicit Proxy
Supported Explicit Proxy Locations
Prisma Access supports the following locations for explicit proxy. Explicit Proxy uses GeoDNS to resolve and connect the mobile user to the closest Prisma Access deployed location.
Explicit proxy supports the following locations:
- Africa, Europe & Middle East:
- South Africa West
- France North
- Germany Central
- Netherlands Central
- Asia, Australia & Japan:
- Hong Kong
- India West
- South Korea
- Australia Southeast
- Japan Central
- Japan South
- North America & South America:
- Canada East
- US Central
- US East
- US Northwest
- US Southeast
- US Southwest
- Brazil South
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