Intro

kurang lebih tahapan seperti ini :

• vpnbook.com/freevpn
• Download vpns sertificate tunnel
• remember the username and password given
• extract certificate
• openvpn <salah_satu_certificate>

vpn server gratis :

• https://www.hotspotshield.com/
• https://www.tunnelbear.com/
• https://hide.me/
• https://protonvpn.com/ <- service (netherland, japan, usm)