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Setup, protocol and troubleshooting guides for phones and computers. Every article is written for a concrete task.
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21 focused guides, updated on 11 November 2026.
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Guide
How to Setup VPN on Mac OS: Step-by-Step Guide
Set up a VPN on macOS step by step: install Amnezia VPN or Happ, import your key, allow the VPN configuration, check your IP and DNS, and fix common issues.
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Guide
Why Does My VPN Keep Disconnecting? How to Fix It
Why a VPN keeps disconnecting on Android, iPhone, Windows or Mac: battery savers, sleep, network switching, MTU, handshakes and app conflicts, with fixes.
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Guide
VPN Protocol Ports: WireGuard, OpenVPN, IPsec and VLESS
VPN protocol port reference: WireGuard 51820/UDP, OpenVPN 1194, IKEv2 UDP 500/4500, L2TP 1701 and VLESS + Reality on 443, plus UDP vs TCP explained.
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Guide
What Is a DNS Leak? How to Test and Fix VPN Leaks
What a DNS leak is, how WebRTC and IPv6 leaks expose your real IP, how to read a VPN leak test and how to fix leaks on Windows, macOS, Android and iPhone.
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Guide
What Is WireGuard? Config Files, QR Codes and AmneziaWG
What is WireGuard? How its keys, peers and handshake work, what each config file line does, how WireGuard QR codes work and how AmneziaWG differs.
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Guide
Do VPNs Slow Down Internet Speed? Causes and Fixes
Do VPNs slow down internet speed? Why a VPN can slow your connection, what speed loss is normal, how to test it fairly and how to fix a slow VPN.
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Guide
VPN and Linux: Set Up AmneziaWG on Ubuntu and Debian
How to use a VPN on Linux: install Amnezia VPN on Ubuntu or Debian, import an AmneziaWG key, run awg-quick in the terminal and check DNS and routing.
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Guide
Is Hotel Wi-Fi Safe? Airport and Public Wi-Fi Risks
Is hotel Wi-Fi safe? The real risks on hotel, airport and cafe networks, how evil twins and captive portals work, and what HTTPS and a VPN protect.
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Guide
What Is VLESS? Protocol, Xray-core and vless:// Links
VLESS explained: how the protocol works in Xray-core, its RAW, WebSocket, gRPC and XHTTP transports, TLS, Reality and VLESS Encryption, and vless:// links.
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Guide
v2RayTun Setup: Import a VLESS Key or Subscription
How to set up v2RayTun on Android, iPhone, Mac and Windows: import a VLESS key or subscription link, connect, check the tunnel and fix common errors.
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Guide
WireGuard vs OpenVPN: Speed, Security and Battery
WireGuard vs OpenVPN compared on speed, encryption, code size, battery use, ports and compatibility, plus where AmneziaWG and VLESS + Reality fit in.
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What Is a VPN and How Does It Work?
A clear guide to VPN tunnels, servers, IP addresses, encrypted traffic and the practical limits of a VPN connection.
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Guide
How to Choose a VPN: A Practical Checklist
Choose a paid VPN by testing protocols, speed, supported devices, pricing transparency, apps and customer support.
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Guide
VPN for Windows and PC: Setup and Verification
Install a VPN on Windows, import a connection key, verify the tunnel and fix common DNS or network adapter issues.
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VPN for Android: Setup Without Unnecessary Permissions
Set up a VPN on Android, import a key, approve the system prompt, manage battery restrictions and verify both Wi-Fi and mobile data.
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VPN for iPhone: Installation, Profiles and Troubleshooting
Install a VPN on iPhone, approve the iOS profile, verify the public IP and troubleshoot reconnection after switching networks.
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Guide
How to Connect and Configure a VPN with a Key
Get a VPN key, choose the right client, import the profile, verify the public IP and replace devices without exposing credentials.
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Why Is My VPN Not Working? Step-by-Step Troubleshooting
Fix a VPN that connects without internet, rejects a key, runs slowly or disconnects after a network change.
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Guide
VPN Keys and Subscriptions: What You Receive
Learn how a VPN key relates to a subscription and device, why it must stay private and how to replace a profile safely.
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Guide
AmneziaWG vs VLESS + Reality: Key Differences
Compare AmneziaWG and VLESS + Reality by setup, performance, compatibility and behavior across different networks.
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VPN Split Tunneling: How It Routes Traffic
Understand split tunneling, direct and VPN routes, app or domain rules, performance benefits and the checks needed after configuration.
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