The future of networking
While trying to connect a Bluetooth device to my Asus Vivobook 14 Flip running under Debian Trixie, I noticed that Bluetooth did not work. Here's an easy way to fix it. Diagnoses What kind of device do we have? $ lspci | grep Network 00:14.3 Network controller: Intel Corporation BE201 320MHz (rev 10) $ sudo lspci -v -s 00:14.3 00:14.3 Network controller: Intel Corporation BE201 320MHz (rev 10)…
My recently purchased Asus Vivobook 14 Flip (TP3407SA) does not flip into tablet (aka "slate") mode when flipping the lid over. Here is a workaround for Gnome under Debian Trixie. First of all, flipping is recognized under Windows. So it is not a hardware problem. However, searching online was futile: Other people reporting they were unable to get it to work as well Onlline resources suggesting to…
I recently purchased an Asus Vivobook 14 Flip (Model TP3407SA) for use under Linux. One of the obstacles I ran into: Playing sounds resulted in no audio, the device remained mute. However, it had worked under Windows. Time to investigate. This thread for Linux Mint turned out to be very helpful, even though I'm running Debian Trixie. It appears that current Linux kernels do not activate the Texas…
Here are a few helpful commands if you want to inspect and dump certificates for analysis or debugging: HTTPS certificates Run the following command if you want to see the certificate presented by netfuture.ch on HTTPS (port 443): openssl s_client -showcerts -connect netfuture.ch :443 You need to press Ctrl-D to exit from the command, unless you want to send an HTTPS request to the server.…
I recently wrote a (German) article including this graphic (in German) . Here is an English version of it. Have fun! Here it is! The Rupp graph , enhanced with additional trend lies and the «frequency wall» ( inspired by The Economist ). CC BY-4.0 If you want a slightly more editable version (with more Inkscape metadata and grouped data points): Here it is . There is a German version of the same…
The default WordPress «Archive» block becomes very long and narrow, when months accumulate. Here is an easy way to make it more compact. The problem One of my blogs looked like that after a few years of action (wrapped for better visualization; in the original, it is one huge vertical strip): The goal It would be much nicer if it looked like in the heading: One line per year Within each line, the…
There was a DEFCON Voting Village panel «If I can shop online, why can't I vote online?» which I found extremely important to read or listen to. Not just for me, in fact, for anyone talking about electronic voting. Here is a transcript for those who prefer reading (or searching for keywords). [ez-toc] Of course, a link to the original video may not be missing, for those who prefer to watch or…
Computers are very good at counting. But usually only within narrow limits. Here is an insight into where these limits come from and what goes wrong when they are exceeded. The original German 🇩🇪 version of this article is here: Zählen wie ein Computer . Counting for beginners Most of us have been counting for so many years that we can't even remember when we counted for the first time.…
« SMTP Smuggling » is a vulnerability that allows to circumvent some mail checks at the receiver and therefore will allow additional spam and/or phishing messages through. Here is the list of what we currently know. Interested in the full story? I have written a German 🇩🇪 article on SMTP Smuggling and SEC Consult's selective (and untimely) disclosure . The SEC Consult article contains…
This is the time to catch up on what you missed during the year. For some, it is meeting the family. For others, doing snowsports. For even others, it is cuddling up and reading. This is an article for the latter. I looked at my access logs and started collecting a best-of list, sorted by number of page views. I hope some of them pique your interest. Enjoy! There is also a 🇩🇪 German post…