We all know the story. You deploy a network to extremely tight specifications, and when you ask – just to make sure you understand the requirements, of course – if it’s absolutely certain that the client IP ranges will never change,…
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Transparent Firewalling using Palo Alto Virtual Wire
Tagged with: layer-7 filtering, PA, Palo Alto, PANOS, transparent, transparent firewall, Virtual Wire, VirtualWire, VWire
Posted in Palo Alto Security
Posted in Palo Alto Security
Make drawings to understand the topology of firewall implementations
Every time I see a new implementation of a Cisco ASA firewall I need to know how it is connected. Before doing any changes in the configuration and before answering any answers regarding the functionality of the FW i first…
Cisco Cyber Threat Defense
I am currently attending an introduction class in Cisco Cyber Threat Defense. Since I never heard the phrase before I couldn´t wait showing up. Cisco Cyber Threat Defense is a conceptual thing just like TrustSec. It brings several building…
ASA Nat behavior with multiple public ip ranges changed after upgrade
I recently upgraded a customer ASA from v8.2 to 9.0 and while doing that I found out that some (yeah!) of the static NAT translations didn´t work after the upgrade. Skilled ASA-upgraders knows that this happens a lot. That´s why…
Cisco CLI access using Radius and ISE
When releasing Cisco ISE as a “new ACS” questions quickly raised regarding the fact that there is no Tacacs+ support in ISE. With v1.0 of ISE Cisco said “Tacacs+ will come in a future version” but we haven´t seen it…
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