VPN protocols are the technologies used to secure connections between computers and networks. VPNs’ most popular VPN protocols are OpenVPN, PPTP, IPSec, SSTP, and L2TP/IPSec. Each protocol has advantages and disadvantages, such as security, speed, data usage, server compatibility, etc. OpenVPN is considered the best for overall performance, whereas PPTP is less secure and faster but only works with specific servers. IPSec is great for encryption, but it can be slow at times. SSTP offers great security but limited compatibility, while L2TP/IPSec provides good encryption but needs to be configured correctly.
