Solving convoluted problems, tutorials, write-ups & thoughts on security
A tough case of a broken loopback interface in Windows
What is the common issue between the Tor Browser being stuck at establishing a connection, failing to list Android devices with adb, and Inkscape not launching? A big mystery. ChatGPT couldn’t help. Symptoms It started with weird symptoms. When I wanted to proxy my traffic through an SSH SOCKS proxy (plink -D), this wouldn’t work.…
Migrate old GELI pool to ZFS-encrypted datasets in TrueNAS CORE
This guide walks you through the painstaking path of migrating old GELI-encrypted pools to new ZFS-encrypted pools, assuming you have spare disks to store the entirety of your data temporarily. We also emphasize on the confidentiality of the data, something that does not necessarily come out-of-the-box in TrueNAS, at least not for all possible options.…
Reverse proxying FTPS with OpenResty (in Nginx Proxy Manager)
When you run an FTP server in 2025, like a surviving dinosaur, and you have the presence of mind to add a TLS layer, you may find yourself puzzled by the lack of support for certificate renewal in commercial FTP server software. The idea of reverse proxying the FTP server makes sense, but FTP likes…
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Xavier de Carné 