What are name of safe and reliable protocols?
There are many protocols. PPTP, L2TP, IPSEC, OpenVPN, IKEV2.
Among the protocols PPTP is less secured while L2TP, OpenVPN, and IKEV2 are safe.
CovermeVPN use IKEV2, OpenVPN, L2TP, etc. to ensure the highest security of the users.
The secured VPN encrypts data, that no one can extract.