Create Interfaces and Zones for GlobalProtect
You must configure the following interfaces
and zones for your GlobalProtect infrastructure:
- GlobalProtect portal—Requires a Layer 3 or loopback interface for the GlobalProtect apps’ connection. If the portal and gateway are on the same firewall, they can use the same interface. The portal must be in a zone that is accessible from outside your network, such as a DMZ.
- GlobalProtect gateways—The interface and zone requirements for the gateway depend on whether the gateway you are configuring is external or internal, as follows:
- External gateways—Requires a Layer 3 or loopback interface and a logical tunnel interface for the app to establish a connection. The Layer 3/loopback interface must be in an external zone, such as a DMZ. A tunnel interface can be in the same zone as the interface connecting to your internal resources (for example,trust). For added security and better visibility, you can create a separate zone, such ascorp-vpn. If you create a separate zone for your tunnel interface, you must create security policies that enable traffic to flow between the VPN zone and the trust zone.
- Internal gateways—Requires a Layer 3 or loopback interface in your trust zone. You can also create a tunnel interface for access to your internal gateways, but this is not required.
For tips on how to use a loopback interface
to provide access to GlobalProtect on different ports and addresses,
refer to Can GlobalProtect Portal Page
be Configured to be Accessed on any Port?
For
more information about portals and gateways, see About
the GlobalProtect Components.
- Configure a Layer 3 interface for each portal and/or gateway you plan to deploy.If the gateway and portal are on the same firewall, you can use a single interface for both.As a best practice, use static IP addresses for the portal and gateway.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.
- SelectorNetworkInterfacesEthernet, and then select the interface you want to configure for GlobalProtect. In this example, we are configuringNetworkInterfacesLoopbackethernet1/1as the portal interface.
- (Ethernet only) Set theInterface TypetoLayer3.
- On theConfigtab, select theSecurity Zoneto which the portal or gateway interface belongs, as follows:
- Place portals and external gateways in an untrust zone for access by hosts outside your network, such asl3-untrust.
- Place internal gateways in an internal zone, such asl3-trust.
- If you have not yet created the zone, add aNew Zone. In the Zone dialog, define aNamefor the new zone and then clickOK.
- Select the defaultVirtual Router.
- Assign an IP address to the interface:
- For an IPv4 address, selectIPv4andAddthe IP address and network mask to assign to the interface, for example 203.0.11.100/24.
- For an IPv6 address, selectIPv6,Enable IPv6 on the interface, andAddthe IP address and network mask to assign to the interface, for example 2001:1890:12f2:11::10.1.8.160/80.
- ClickOKto save the interface configuration.
- On the firewall(s) hosting GlobalProtect gateway(s), configure the logical tunnel interface that will terminate VPN tunnels established by the GlobalProtect apps.IP addresses are not required on the tunnel interface unless you require dynamic routing. In addition, assigning an IP address to the tunnel interface can be useful for troubleshooting connectivity issues.Be sure you enable User-ID in the zone where the VPN tunnels terminate.
- Select, andNetworkInterfacesTunnelAdda tunnel interface.
- In theInterface Namefield, enter a numeric suffix, such as.2.
- On theConfigtab, select theSecurity Zonefor VPN tunnel termination, as follows:
- To use your trust zone as the termination point for the tunnel, select the zone from the drop-down.
- (Recommended) To create a separate zone for VPN tunnel termination, add aNew Zone. In the Zone dialog, define aNamefor new zone (for example,corp-vpn),Enable User Identification, and then clickOK.
- Set theVirtual RoutertoNone.
- Assign an IP address to the interface:
- For an IPv4 address, selectIPv4andAddthe IP address and network mask to assign to the interface, for example 203.0.11.100/24.
- For an IPv6 address, selectIPv6,Enable IPv6 on the interface, andAddthe IP address and network mask to assign to the interface, for example 2001:1890:12f2:11::10.1.8.160/80.
- ClickOKto save the interface configuration.
- If you created a separate zone for tunnel termination of VPN connections, create a security policy to enable traffic flow between the VPN zone and your trust zone.For example, the following policy rule enables traffic between thecorp-vpnzone and thel3-trustzone.
- Committhe configuration.
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