DrayTek - pfSense is a free and open-source operating system for routers and firewalls. You can install it on typical hardware, including computers and embedded systems. It's relatively popular and used by
OpenVPN to Vigor Router by using the self-generated certificate | DrayTek
How to Set Up and Use ExpressVPN on DrayTek Router - TechNadu
Yealink OpenVPN to Draytek Router – James Batchelor
Set up Vigor3900/2960 as an OpenVPN server using local user database | DrayTek
Настройка OpenVPN для маршрутизатора Vigor с помощью самогенерируемого сертификата
DrayTek v2925 Dual WAN router koop je bij Callvoip.shop
VPN Matcher | DrayTek
Windows][Bảo mật] Hướng dẫn cấu hình OpenVPN Host-to-LAN | Windows VPN đến Vigor Router | VPN Host-to-LAN (Client to site) | DrayOS (Vigor2133-2912-2915-2925-2926-2927-2952-2962-3220-3910-1000B) | Hướng dẫn sử dụng