The ZYXEL IPSec VPN Client is a reliable and secure VPN client that provides a high level of encryption and security for VPN connections. While it may have some drawbacks, such as an outdated user interface and limited configuration options, it is still a good choice for users who need a simple and easy-to-use VPN client. We hope this review has been helpful in your search for a VPN client.
: Administrators can allow users to download VPN settings directly from a Zyxel firewall, eliminating the need for manual data entry. zyxel ipsec vpn client download link
(most reliable)