Think about this: You’ve added 30 new switches, 15 firewalls, and 20 routers, all believed to be policy-compliant. But a routine check, months down the line, uncovers a shocking reality:…
TLS Handshake Deep Dive with David Bombal Recently, I had the honor of talking to David Bombal about the TLS Handshake. We picked apart everything that occurs in the first…
Your network policy says: allow traffic from 10.0.1.45. Yesterday, 10.0.1.45 was your payment service. Today, after a rolling deployment, it’s your logging agent. Your payment service is now at 10.0.1.89….
If you started your ethical hacking journey with our recommended Raspberry Pi 3 B+ setup, it’s time to consider upgrading your beginner’s ethical hacking kit to the Raspberry Pi 5…
ISP outages: Globally, ISP outages remained unchanged at 126 outages. In the U.S., however, ISP outages increased from 41 to 70, a 71% increase. Public cloud network outages: Globally, public cloud…
What SNMP actually does SNMP, the Simple Network Management Protocol, is the shared language that lets one system keep tabs on all the others. Almost everything on a modern network speaks…
After initiating Cisco DNA Appliance version 2.1.2.4 and starting an upgrade towards 2.2.2.8 in order to get to 2.2.3.5 I got a strange issue where the appliance system update went…
So virtualization has come a long way…right? Sure it absolutely has. But what about in helping you prepare for your Cisco CCNA exam? Well you have heard the saying that…
Application Programming Interface (API) serves as an interface that enables applications or computer programs to communicate with each other directly. It is used to expose functionalities and procedures to the…
Designing a network with high availability in mind is a vital aspect of network architecture. Employing redundancy in both physical network links as well as network devices is a fundamental…
