Archive for Blog

Palo Alto Networks Announces Strategic Shift to Apparel Manufacturing

Palo Alto Networks, a global leader in cybersecurity solutions, has announced a significant strategic shift. The company will transition from its core cybersecurity business to exclusively focus on apparel manufacturing. Over the past years, the cybersecurity landscape has proven to be highly… Source link Author:…

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Path MTU Discovery

One of the mysteries for me in IP networks was the Path MTU Discovery (PMTUD) process. I’ve seldom seen any problems with the MTU at all. Fortunately, while troubleshooting some router issues, I captured several ICMP “packet too big” errors along with the original packets….

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Which KPIs to monitor on a Palo Alto Firewall?

We wanted to monitor some of our Palo firewalls from our monitoring system via the API. But: Which enhanced metrics/KPIs shall we monitor? While there are some obvious ones such as interface counters, uptime, software versions, license expiry dates, or HA-states, we dug a little…

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Dual-Stack PPPoE on a FortiGate Firewall

You can use a FortiGate to connect to the Internet (that is: Dual-Stack!) directly in various ways. In my current setup, I’m using a PPPoE residential xDLS connection. It’s not that easy to configure everything correctly since it requires the use of many different protocols…

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Wallbox: the agony of choice

The task was clear: a wall box for your own home is needed, after all that is Load a tragedy on public columns. But the decision as to which Wallbox it should be was anything but easy. What criteria does a wall box have to…

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The domain name system

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…

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DHCPv6 Prefix Delegation on a FortiGate Firewall

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…

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xDSL-Modems

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…

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