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Secure Hotel Wi-Fi Sharing: A Raspberry Pi as WLAN Access Point that sends data of all devices through a single VPN tunnel

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Globeflyer/WLAN-VPN-Pi

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WLAN-VPN-Pi

This repository contains scripts and code to use a Raspberry Pi as a Wi-Fi access point (wlan0) that connects to the Internet via the following interfaces:

  • Ethernet (eth0)
  • An additional WLAN interface (wlan1)

Connection to the Internet is NATed and a VPN client tunnel to a VPN server is used to encrypt ALL traffic to and from ALL devices connected to the access point. Alternatively, direct NATing without a VPN tunnel is also possible.

OpenVPN in client mode is used for creating the tunnel to an OpenVPN server somewhere on the Internet. A great project description of how to set-up a VPN server on the other end at home (on a Raspberry Pi, of course) can be found at http://readwrite.com/2014/04/10/raspberry-pi-vpn-tutorial-server-secure-web-browsing. Alternatively it's also possible to use a commercial service that offers OpenVPN server connectivity.

Hardware Requirements: Apart from a Raspberry Pi, a USB Wi-Fi dongle is necessary. If Wi-Fi is used as a backhaul, a second Wi-Fi USB dongle is required. This project uses a hostapd executable that was compiled for the Realtek RTL8188CUS chipset. The following devices have been checked for compatibility:

  • EDIMAX EW-7811UN

For other chipsets, other hostapd executables might be required.

Have a look at the project's wiki for installation and use instructions:

https://github.com/martinsauter/WLAN-VPN-Pi/wiki

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Secure Hotel Wi-Fi Sharing: A Raspberry Pi as WLAN Access Point that sends data of all devices through a single VPN tunnel

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