Archive for Blog - page 2

Editing Palo Configs by Scripts: pan-os-php

There are recurring cases where tasks cannot be edited quickly and easily using the classic Palo Alto Networks GUI or Panorama. For example, editing multiple policies at oncesuch as during a zone migration. Or checking which policies haven’t log forwarding enabled, hence enabling it directly…….

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Azure PTP Accuracy

The Network Time Protocol (NTP) is widely used to synchronize computer clocks. The Precision Time Protocol (PTP) can be used as a time source as well, which is expected to be accurate within microseconds. However, at Microsoft Azure VMs, PTP-derived time-of-day errors could exceed 50,000……

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Bad IPv6 Approaches

I just got a few emails from an administrator of a medium-sized company, asking some IPv6 questions. They want to use IPv6 to reach the Internet, using two ISPs, while remaining IPv4-only on their internal networks. For whatever reason, they came across three different ideas…

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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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