Hardly any other element is as essential for the Internet as the domain name system. Ruckelts in the DNS, websites and all internet applications react more slowly or not at all. But to determine and eliminate the causes of errors, company and home admins need…
I got DHCPv6-PD aka prefix delegation up and running on a FortiGate. Yes! Configuring it is tricky since it’s not always clear, which options to use. You cannot see everything in the GUI (it even changes depending on other options made later on or selects…
If you want to use an enterprise firewall on a classic DSL connection, you need an extra DSL modem. This differs from home customer routers like the Fritzbox, which always have a DSL modem built in. Back to the roots – just like back when…
If you want to establish an Internet connection (that is: IPv6 and IPv4) right away from your firewall through xDSL connections, you need quite some technologies: PPPoE and PPPoEv6 (PPP IPV6CP) along with DHCPv6-PD. Fortunately, with PAN-OS 11.0 and 11.1, those missing IPv6 links were…
This time (2023) at the yearly Wireshark Developer and User Conference in Europe, I gave a talk about DNS. How could it have been any different –> The title simply had to be ‘It’s Always DNS‘. “This session dives deeper into the Domain Name System,…
We all know the DNS, right? But when we need to troubleshoot it, it’s getting much more complicated than initially thought. DNS ≠ DNS ≠ DNS. And unfortunately: It’s Always DNS. To get a better understanding of those different kinds of DNS servers (authoritative vs….
Seit einem Monat fahre ich erstmalig ein E-Auto. Und ebenso positiv euphorisch bin ich an das Laden an öffentlichen Säulen herangegangen. Dazu gab es auch allen Grund: Überall sieht man solche Stationen aus dem Boden sprießen und auch die Tank-App zeigt einem, wie dicht besiedelt……
Dopo aver importato un certificato locale, viene visualizzato il messaggio “Importato con successo…”, ma il certificato non è visibile nella GUI e in qualche versione neanche nella CLI. Se proviamo a reimportarlo, riceviamo il messaggio che il certificato è già presente. Il problema è la…
