Networking With Ehsan

QUIC: Performance Revolution or Security Blind Spot?

In the fourth episode of Ehsan’s Tech Lounge Podcast, we explore how HTTP/3 powered by QUIC promises blazing-fast connections and a better user experience — but also introduces new visibility and inspection challenges for security vendors. We trace the evolution of HTTP protocols, unpack the architectural benefits of QUIC, and ask the critical question: Can our firewalls keep up? Join us as we analyze how vendors are tackling decryption, telemetry, and detection inside encrypted QUIC traffic

28Sep

Why Firewall Sizing & Decryption Matter | Data-Center Security with MACsec

In this technical episode S1E3 we cover two tightly related topics: why firewall sizing — especially CPU capacity for TLS/SSL decryption — matters for detection and prevention, and how enabling MACsec on data-center links stops many MITRE ATT&CK techniques based on sniffing and frame injection.

21Sep

From Firewalls to Smart Switches: How DPUs Are Changing Security

In this episode, we dive into the next generation of networking and security — exploring Data Processing Units (DPUs), Cisco Hypershield, and Nexus 9300 Smart Switches.

15Sep

Cisco HyperFabric AI

We introduce Cisco HyperFabric AI—covering architecture, benefits, and learning paths for engineers entering AI infrastructure.