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Editorial Open Source

The dangers of free cloud-based storage

A few days ago, Google Docs locked out many users from their documents, claiming they violated their Terms of Service, despite being innocuous. Here is why this will continue to happen what you can do to not run into this problem yourself.

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How-to Open Source

Modern ejabberd configuration

ejabberd is one of the most widely used XMPP servers. It is easy to get it running for text-based messaging with a few configuration changes. However, to obtain a smoothly running modern feature set is harder. The configuration documentation is detailed, but even for a seasoned systems administrator or XMPP guru, a lot of questions […]

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General How-to

DNSSEC: Beware during algorithm transitions

DNSSEC is cool. It easily adds security to probably the most important enabling protocol in today’s Internet: No web pages could be found, email delivered, or instant message received, without the Domain Name System (DNS). DNSSEC also enables DANE, a step forward for certificates for most applications. Sometimes you want to change a few settings. […]

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Editorial Open Source

XMPP server hands-on comparison: ejabberd vs. Prosody

Having been involved in testing an open-source XMPP web client (JSXC) against ejabberd and Prosody, I have noticed the following differences that I would like to share, to make it easier for you to decide. Please note that I have done more with ejabberd, so there will naturally be more nitpicking there, but also more […]

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Publications

MoDeNA: Enhancing User Security for Devices in Wireless Personal and Local Area Networks

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Allgemein

Datenschutz und Datensicherheit in der medizinischen Praxis

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Publications

X.509 User Certificate-based Two-Factor Authentication for Web Applications

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Publications

Weg vom Internet der (unsicheren) Dinge

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General Open Source

Open Education Day 2017: Open Source Solutions for Schools

/ch/open invites to the Open Education Day: Saturday, 29 April 2017 in Windisch. We present JSXC, an easy way to extend any web application into a communications hub, e.g. for learning applications.

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Publications

SARA-Service: Langzeitverfügbarkeit und Publikation von Softwareartefakten