vpn Archives - ITNotes

Networking tutorial - IT technology blog

Route-Based IPsec VPN with strongSwan and VTI on Linux: Secure Cloud-to-On-Premises Connectivity

October 19, 2026

Build a route-based IPsec VPN on Linux with strongSwan and VTI. Learn how to configure XFRM marks, automate tunnel interfaces, avoid MTU black holes, and route hybrid cloud subnets without downtime.

Networking

Self-Host a ZeroTier Network Controller with ZTNET on Linux: Build a Private P2P SD-WAN

October 10, 2026

Learn how to self-host a private ZeroTier network controller on Linux using ZTNET and Docker. Build an unlimited, self-managed peer-to-peer SD-WAN overlay network across your multi-cloud and edge infrastructure.

Networking

Build a High-Speed Mesh VPN with Netmaker: Multi-Cloud Networking That Doesn’t Suck

September 6, 2026

Tired of slow multi-cloud networking? Learn how to build a high-performance, self-hosted Mesh VPN using Netmaker and WireGuard to slash latency and egress costs.

Networking

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.