Other alternative is to configure a pre-shared secret based authentication method. Either way you will need to use some kind of authentication method. Same document, please refer to page 8-9 Configuring a Pre-Shared Secret on the GlobalProtect Gateway 1. On the GlobalProtect Gateway, navigate to Network > GlobalProtect > Gateways and create a new Gateway configuration or modify an existing Gateway. 2. From the General tab, enable Tunnel Mode and then select Enable IPSec and Enable X-Auth Support. 3. Enter a Group Name. 4. Enter and confirm the Group Password. 5. Click Ok and then commit the configuration. Configuring a Pre-Shared Secret on the Android Device 1. On the Android device, open Settings > Wireless and networks > More > VPN. 2. Click Add VPN network. 3. Enter a descriptive name for the profile in the Name field. 4. In the Type drop-down, select IPSec Xauth PSK as the type. 5. In the Server address field, enter the address of the GlobalProtect Gateway. 6. Enter the group name configured previously in the IPSec identifier field. 7. Enter the group password in the IPsec pre-shared key field. 8. Save the configuration. 9. To establish a VPN, go to Settings > Wireless and networks > VPN and select the new VPN profile. 10. Click Connect and you will be prompted for your username and password. Once authenticated, the VPN will be established.
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