Don’t Trust Packet Captures on Firewalls

The other day, I was troubleshooting some network-related stuff, using the built-in Packet Capture on a Palo Alto Networks firewall. And while it did the job at a first glance, I stumbled upon some packets that were simply not correct, read: were not present on the Ethernet cable at all and/or were missing some content. … Continue reading Don’t Trust Packet Captures on Firewalls →