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A VPN protocol is a set of rules and procedures that govern the secure transmission of data between a user’s device and a VPN server. It determines how the data is encrypted, authenticated, and transmitted over the internet. There are several VPN protocols available, including OpenVPN, IPSec, L2TP/IPSec, PPTP, and SSTP. Each protocol has its own strengths and weaknesses in terms of security, speed, and compatibility with different devices and networks.
What is VPN protocol?
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