VPN, Proxy & Client Knowledge Base

Practical explanations of VPNs, proxies, clients, nodes, subscriptions and common protocol concepts.

Browse by topic

• What Is a VPN?
• What Is a Proxy?
• What Is a Proxy Client?
• What Is a Proxy Node?
• What Is a Proxy Subscription?
• What Is Clash?
• What Is Mihomo?
• What Is Xray?
• What Is sing-box?
• What Is VLESS?
• What Is Reality?
• What Is Hysteria 2?
• What Is WireGuard?
• What Is SOCKS5?

Suggested reading order

1. Start with VPN, proxy, client, node and subscription basics.
2. Then learn Clash, Mihomo, Xray and sing-box.
3. Finally explore protocols, DNS, TUN and routing rules.