IPv6 works inside LAN, doesn't externally

Abstract: Learn how IPv6 works within a Local Area Network (LAN) and why it doesn't work externally, including solutions for running multiple web servers on a home network with HTTPS.

Created: 2025-04-25 by UserComp.com Editors

Title: Setting Up Multiple Web Servers with HTTPS on Home Network (Using Raspberry Pi)

Introduction

In this article, we will guide you through the process of setting up multiple web servers with HTTPS on a home network using Raspberry Pi (RPi). We will be using RPi 2/3/4 and port 443 for HTTPS.

Prerequisites

Raspberry Pi 2/3/4
MicroSD Card with Raspberry Pi OS (Raspbian) installed
Monitor, Keyboard, and Mouse
Ethernet Cables
Power Supply for each RPi

Step 1: Initial Setup

Connect each RPi to the monitor, keyboard, and mouse.
Boot up the RPis and log in to the Raspberry Pi OS.
Update the system by running sudo apt-get update and sudo apt-get upgrade.

Step 2: Install Apache and Modify the Configuration

Install Apache with HTTPS support by running:

sudo apt-get install apache2 apache2-ssl

Open the Apache configuration file:

sudo nano /etc/apache2/apache2.conf

Find the line Listen 80 and change it to Listen 443. Also, find the line <VirtualHost _default_:80> and change it to <VirtualHost _default_:443>. Save and close the file.

Step 3: Generate Self-Signed SSL Certificate

Open a new file for the SSL certificate:

sudo nano /etc/ssl/certs/ssl-cert-snakeoil.pem

Copy and paste the following into the file:

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