Authentication – Select 'Pre-Shared Key' and enter a password for the VPN tunnel.

This is required to be able to establish a VPN connection between VPN software and the VPN router.

Peer Gateway Address – Select the ' Dynamic Address' bullet to allow VPN connection from any public IP.

My Address – Select the WAN interface you wish to use to establish the VPN connection under the ' Interface' dropdown field or select ' Domain Name/IPv4' to manually enter a domain name/DDNS name or IP address.

Verify support with the software manufacturer before creating the rule on the Zyxel router. This will depend on your VPN clients compatibility, not all clients support IKEv2.

IKE Version – Options are IKEv1 and IKEv2, select the appropriate IKE version you wish to use.

VPN Gateway Name – Please provide a name for the rule.On the top left of the window click the ' Show Advanced Settings' button to view all the option available in this menu. Click the ' Add' button to create a new rule. In the IPSec VPN menu click the ' VPN Gateway' tab to insert a Phase 1 VPN policy configuration. Once in the web configuration page go to menu, Configuration → VPN → IPSec VPN to begin the VPN policy/rule setup. To begin the configuration of the VPN policy on the ZyWALL/USG router, please open a web browser and access the Zyxel routers WebGUI. This walkthrough will help configure the VPN setup on the ShrewSoft VPN client (version 2.2.2). Third party IPSec software is required to establish the VPN connection as current operating systems lack a built-in IPSec client. This guide will reference the IPSec protocol to establish a secure VPN tunnel between external hosts (users connected to the internet outside the company network structure) and the ZyWALL router.

There multiple types of VPN protocols/technologies, that can be used to establish a secure link to company network, L2TP, PPTP, SSL, OpenVPN, etc. A remote access VPN (client-to-site) allows employees who are traveling or teleworkers, secure access to company network resources. VPNs are used to transport traffic over the internet of any insecure network that uses TCP/IP communications. OverviewĪ VPN (virtual private network) provides a secure communication between sites without the expense of leased lines. This guide will assist in the configuration of the ShrewSoft VPN Client (version 2.2.2) for VPN connectivity with Zyxel's Next-Gen ZyWALL USG routers.

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