macchina.io Blog

IoT device programming, edge computing, C++


Remote Access: The Pros and Cons of Virtual Private Networking

Secure remote access to IoT edge devices is one of the fundamental requirements of the Internet of Things. IoT devices are often located in places that cannot be reached easily by support technicians, such as remote locations or factory floors with access restrictions. Nevertheless, it must be possible for support staff and other authorized staff […]

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How to access and control your Thing remotely – and securely.

Linux-based single-board computers like the Raspberry Pi, BeagleBone, RED Brick, UDOO, Galileo or Cubieboard are very popular choices in the Maker scene for building all kinds of devices needing plenty of computing power and internet connectivity – the Things in the so-called Internet of Things. And not just in the Maker scene – these low-cost, […]

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my-devices.net and Heartbleed

On April 7, a team of security researchers found a critical bug in some versions of OpenSSL that allow an attacker to read random memory regions of affected server processes. This issue is widely known as Heartbleed, and more formally as CVE-2014-0160. Immediately after becoming aware of the issue, we have checked the server hosting […]


Port Forwarding and Dynamic DNS Considered Harmful

Various vendors of network-connected devices, specifically in home automation, use port forwarding and Dynamic DNS as a means to provide remote access to their devices, both for end users and for remote service purposes. However, as a recent case in Germany showed, this is a very bad idea as it opens the door for various […]

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