VPN Glossary

Plain-language explanations of all technical terms.

AES-256 Encryption AES-256 is a military-grade encryption standard that uses 256-bit keys to secure data transmission i... AmneziaWG AmneziaWG is a modified WireGuard protocol with obfuscation features designed to bypass Deep Packet... DNS Leak A DNS leak occurs when your device bypasses the VPN tunnel and sends DNS queries through your ISP, e... Double VPN Double VPN routes your traffic through two VPN servers instead of one, providing an extra layer of e... DPI (Deep Packet Inspection) Deep Packet Inspection (DPI) is a network analysis technique that examines data packet contents to i... IKEv2/IPSec IKEv2/IPSec is a fast, secure VPN protocol combination that excels at maintaining stable connections... Kill Switch A VPN kill switch is a security feature that automatically blocks internet access when your VPN conn... L2TP/IPSec L2TP/IPSec is a VPN protocol that combines Layer 2 Tunneling Protocol with IPSec encryption for secu... No-Logs Policy A no-logs policy means a VPN provider doesn't collect, store, or monitor user activity data, ensurin... Obfuscation VPN obfuscation disguises VPN traffic to look like regular internet traffic, helping bypass VPN bloc... OpenVPN OpenVPN is an open-source VPN protocol that uses SSL/TLS encryption to create secure tunnels between... RAM-Only Servers RAM-only servers store all data exclusively in volatile memory, automatically wiping all information... Shadowsocks Shadowsocks is an open-source encrypted proxy protocol designed to circumvent internet censorship an... Split Tunneling Split tunneling allows you to route some traffic through the VPN while other traffic goes directly t... VLESS / VLESS+Reality VLESS is a lightweight VPN protocol designed for high performance and stealth, with Reality extensio... VPN Jurisdiction VPN jurisdiction refers to the legal territory where a VPN provider operates and must comply with lo... VPN Server Country A VPN server country refers to the physical location where your VPN provider operates its servers an... WireGuard WireGuard is a modern VPN protocol known for exceptional speed, strong security, and simple code arc...