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Life & fun · June 17, 2013

IM

I made my Raspberry Pi a secret phone homing server

Tools, calculator, and helpful information for network engineering, web developers, and IT professionals.

I made my Raspberry Pi a secret phone homing server launched on June 17, 2013 with 139 votes, #7 of 476 launches that month and more than 95% of that year's launches. The site was still online in September 2026, 13 years on.

Visit tunnelsup.com ↗Alternativestop 1% of June 2013

In plain words

TunnelsUp provides tools, calculators, and reference materials for network engineers, web developers, and IT professionals. The site offers articles on firewalls, VPNs, and networking topics, along with exclusive tools for firewall configuration, downloadable cheatsheets, and educational videos. Users can access practical resources covering Cisco and Juniper firewalls, electronic devices, and other technical subjects to support their work.

written from the facts on this page · September 2026

From the sources

Explore the numerous articles written about: Cisco Firewalls, VPNs, Juniper Firewalls, Electronic devices and much more tech talk. Explore the tools made exclusively for TunnelsUp. Here you'll find neat tools to help you with your firewall configurations. View Cheatsheets made by TunnelsUP. Cheatsheets are documents that contain a lot of information on one page. Explore the various videos that have been made by TunnelsUP. Here you can learn about VPNs and electronicfrom tunnelsup.com

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