my SUPER secure Raspberry Pi Router (wifi VPN travel router)

NetworkChuck・2 minutes read

Raspberry PI can be transformed into a secure network router for travel by installing open WRT. The setup requires a USB wifi adapter, two wifi interfaces, network configuration changes, VPN setup, and firewall modifications to ensure secure internet access.

Insights

  • Building a Raspberry Pi router with OpenWRT firmware enables the creation of a secure network router, essential for travel, providing valuable Linux and networking knowledge applicable to job opportunities.
  • Configuring the Raspberry Pi router includes setting up multiple interfaces, modifying network and firewall configurations, integrating VPN services like Nord VPN for enhanced security, ensuring reliable internet access with the ability to automatically restart VPN connections if lost, making it a practical and cost-effective solution for personal data and media access while on the go.

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Recent questions

  • How can a Raspberry PI be used as a network router?

    By installing open WRT and configuring two wifi interfaces.

  • What items are needed to create a Raspberry PI router?

    Raspberry PI, power supply, micro SD card, USB micro SD card reader, Ethernet cable, computer, and USB wifi adapter.

  • What skills can be gained from building a Raspberry PI router?

    Linux and networking knowledge valuable for job opportunities.

  • How can a Raspberry PI router be configured for VPN security?

    By setting up a VPN client interface and modifying firewall settings.

  • How can a Raspberry PI router be used for internet access?

    By adjusting wireless configurations and connecting to public wifi.

Related videos

Summary

00:00

"Transform Raspberry PI into Secure Travel Router"

  • Raspberry PI can be transformed into a secure network router, ideal for travel.
  • The process involves installing open WRT, a Linux-based open-source router.
  • Basic network setup and connection to VPN over the Raspberry PI will be covered.
  • The Raspberry PI can be used in various locations like coffee shops and hotels.
  • Necessary items include a Raspberry PI (preferably PI four), power supply, micro SD card, USB micro SD card reader, Ethernet cable, and a computer.
  • A USB wifi adapter compatible with the Raspberry PI and open WRT is essential.
  • Two wifi interfaces are required for the setup, with the onboard wifi connecting to public wifi and the USB adapter providing internet access.
  • The process involves downloading open WRT firmware, writing it to an SD card, and booting up the Raspberry PI.
  • Accessing the Raspberry PI for configuration involves setting up an IP address on the computer in the same subnet.
  • Skills gained from building a Raspberry PI router, like Linux and networking knowledge, can be valuable for job opportunities and can be showcased on a personal website hosted by hosting.com.

09:37

Configure LAN, WWAN, VPN, and Firewall Settings

  • To access the network configuration, use VI or VIM and type in the file name.
  • Make changes to the LAN network, including altering the IP address to a custom one like 10.71.70.1.
  • Add a line with the command "option force_blink '1'" to maintain the IP address configuration.
  • Create a new interface named 'WWAN' and set it to pull an IP address from DHCP for public Wi-Fi connections.
  • Specify DNS servers for the interface, such as Cloudflare's 1.1.1.1 and Google's 8.8.8.8.
  • Set up a VPN client interface by naming it 'VPN client' and configuring it to enhance security.
  • Save the configuration changes by using the command "escape, colon, wq" in VI.
  • Modify the firewall configuration by changing the input option from 'reject' to 'accept'.
  • Reboot the Raspberry Pi to apply the changes and reconnect to the network using DHCP.
  • Adjust the wireless configuration by changing the channel, HW mode, HT mode, and enabling the built-in Wi-Fi adapter.

19:14

"Internet Connection Setup for Porky Client"

  • Interface connects to the internet, providing access.
  • Click on submit, then scroll down and save to ensure connection.
  • Connection process takes about three seconds, not 88.
  • Interface now connected to Porky client, showing configuration details.
  • Check IP addresses pooled from wireless network under status.
  • Ping google.com to confirm internet connection.
  • Update packages with PKG space update command.
  • Install necessary drivers for wifi USB adapters.
  • Use command IFF config W LAN one up to activate the driver.
  • Configure wireless settings using nano editor for SSID, encryption, and key.

28:40

"Secure VPN Router for Travel with Raspberry Pi"

  • By using a Nord VPN IP on a Raspberry Pi router, all internet traffic is secured through the VPN, with an additional configuration to automatically restart the VPN service if the connection is lost, ensuring continuous protection, especially for travel purposes.
  • The Raspberry Pi, running on OpenWRT, can function as a powerful and secure router, suitable for travel due to its portability. While not as fast as high-end routers, it provides a reliable connection for accessing personal data and media, making it a cost-effective and practical option for users.
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