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. The status will be 'Tunnel enabled' and 'Connected' and all the Security Associations should be passed.įor Shrew Soft VPN client configuration on Linux, please refer to the Shrew README file in the source installation directory.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.

Click OK to skip the Main mode and PSK warning.Ĭlick Connect to verify the connection.

In the Policy tab, uncheck ' Obtain Topology Automatically or Tunnel All' option and specify the Kerio Control Trusted/Local interface settings.

Inside the Phase 2 tab, change PFS Exchange to Auto.

Inside the Phase 1 tab, change the mode to Main (instead of Aggressive).

In the Credentials subtab, specify the Pre-shared Key from Kerio Control VPN server settings.

In the Authentication tab, change the Authentication Method to Mutual PSK.

Leave Client and Name Resolution tabs as it is (default config).

Select ' Use an existing adapter and current address' in Adapter mode settings.

Enter a Kerio Control IP address or hostname details.

Once Shrew VPN client is installed, click Add to initiate configuration.

Please use the native Windows IPsec or Kerio VPN client instead to ensure the security requirements are met. Important: we do NOT recommend using Shrew VPN client as certain security associations might be failing. This article provides information on how to configure a Windows Shrew VPN client ( Standard Edition) with Kerio Control.

While trying to set up the Shrew Soft VPN client in Windows or Linux environment, the tunnel connection cannot be established because the Kerio Control server is not answering.

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