vpn Archives - ITNotes

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Setup L2TP/IPsec VPN on Linux: No-App Remote Access for iOS, Android, and Windows

August 27, 2026

Tired of managing VPN apps for non-tech users? Learn how to set up a native L2TP/IPsec VPN on Linux that works out-of-the-box on iOS, Android, and Windows.

HomeLab

Stop the Leaks: Using Gluetun as a Centralized Docker VPN Gateway

August 25, 2026

Is your HomeLab leaking your real IP? Learn how to use Gluetun and Docker to create a centralized VPN gateway with a fail-safe kill switch for all your services.

Networking

Kill the VPN: Building Zero Trust with Cloudflare Access and WARP

July 31, 2026

Ditch the clunky VPN. This guide shows you how to use Cloudflare Access and WARP to create secure, identity-based connections to your internal infrastructure.

Networking

Troubleshooting ICMP Black Holes: Fixing PMTUD in Tunneling Networks

July 27, 2026

Diagnose and resolve ICMP Black Hole issues caused by PMTUD failure. This guide explains how to use MTU adjustments and TCP MSS clamping to fix hanging VPN connections.

HomeLab

Manage WireGuard Like a Pro: Deploy wg-easy on Docker for Your HomeLab

June 6, 2026

Ditch the complex command-line setups for WireGuard. This guide walks you through deploying wg-easy on Docker, giving you a simple Web UI to manage your HomeLab VPN with QR codes and real-time monitoring.

Networking

VPN Kill Switch on Linux: A 180-Day Production Post-Mortem

April 26, 2026

A deep dive into building a production-grade VPN Kill Switch for Linux. Using iptables and WireGuard, this guide shows you how to prevent IP leaks with kernel-level enforcement.

Networking

OpenWrt on Your Home Router: Custom DNS, VPN, and QoS After 6 Months of Real Use

April 25, 2026

After six months running OpenWrt in production across three routers, this guide covers what actually works: encrypted custom DNS with stubby, WireGuard VPN setup, and SQM QoS with CAKE to eliminate bufferbloat. Practical commands, real-world results.

HomeLab

Self-Hosting Tailscale: A Guide to Deploying Headscale on Docker

April 21, 2026

Ditch the cloud and take control of your mesh VPN. This guide shows you how to deploy Headscale on Docker for a private, secure, and unlimited Tailscale network.

Networking

Site-to-Site VPN with StrongSwan IPsec IKEv2: A Production-Ready Linux Guide

April 18, 2026

Build a high-performance Site-to-Site VPN using StrongSwan on Linux. This guide covers IKEv2 configuration with swanctl, firewall tuning, and MSS clamping for maximum stability.