Archive for Blog

Akustikdämmung im Büro

Als Consultant im Homeoffice mache ich vor allem eins: Telefonieren und an Videokonferenzen teilnehmen, neudeutsch: Calls. Und es nervt mich total, wenn mein Gegenüber einen schlechten Ton hat. Also akutisch. Das verbaute Mikrofon im Notebook oder irgendwelche Raummikros gehen gar nicht…. Source link Author: legendary…

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Palo’s Mgmt-Intf not usable with IPv6 anymore

Wow, that was unexpected: With PAN-OS 11.1 the out-of-band management interface of Palo Alto Networks firewalls doesn’t accept an IPv6 default route pointing to one of its own data interfaces anymore. That is: In most setups, you can’t use IPv6 for management purposes anymore. “Works…

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How to install Palo Alto’s PAN-OS on a FortiGate

It happens occasionally that a customer has to choose between a Palo and a Forti. While I would always favour the Palo for good reasons, I can understand that the Forti is chosen for cost savings, for example. Fortunately, there is a hidden way of…

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Optimized NAT46 Config on a FortiGate

Johannes published a basic NAT46 configuration for a Fortigate firewall with FortiOS 7.0 some time ago. I run such a service (legacy IPv4 access to IPv6-only resources) since FortiOS 5.6, which means more than six years; lastly with FortiOS 6.4. It’s running for more than…

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DHCPv6 Prefix Delegation on Palo Alto’s NGFW

Finally! With PAN-OS 11.0 a long missing IPv6 feature was introduced: DHCPv6-PD aka prefix delegation. For the first time, we can now operate a PAN-OS firewall directly on the Internet (the IPv6-Internet that is) on many kinds of ISP connections. Remember: To get a routed…

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DHCPv6 Prefix Delegation

What is DHCPv6 Prefix Delegation? Coming from IPv4, you’re already familiar with DHCP (for IPv4) which hands out IPv4 addresses to clients. The same applies to (stateful) DHCPv6: it hands out IPv6 addresses to clients. However, with IPv6 we’re heavily dealing with subnets rather than…

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Netzwerk-Monitoring: Ping und Traceroute richtig interpretieren

Klemmt es im Netzwerk, so helfen Ping und Traceroute, Fehler und Engpässe einzukreisen. Wir erklären die Funktionsweise und helfen Angriffe aufzudecken. Diesen Artikel habe ich initial für die c’t geschrieben, wo er im Heft 24/2022 erschienen ist. Als Autor habe ich dankenswerterweise die… Source link…

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More Capture Details III

Another update of the Ultimate PCAP is available. Again, there are some special new packets in there which I want to point out here. Feel free to download the newest version to examine those new protocols and packets by yourself. Featuring: SNMPv3, WoL, IPMI, HSRP,…

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