Using Cisco’s Encapsulated Remote SPAN (ERSPAN) for remote packet capture and network troubleshooting.

Testing ISAKMP connectivity with netcat and basic UDP packet crafting to verify VPN peers are responding to Phase 1 negotiations.

The second in a series on the Cisco SISAS exam, this post focuses on why you might use Cisco ISE and what problems it solves.

Introduction to Cisco Identity Services Engine (ISE) for the 300-208 SISAS exam — what it does, how it fits, and why it matters.

How to achieve an A+ rating on SSL Labs by configuring HSTS, strong cipher suites, and proper certificate chains on your web server.

Study strategies and resources for passing the CCNP Security 300-208 SISAS exam, including lab setup and topic breakdown.

Progress update on earning the CCNP Security certification: two exams down, two to go, and lessons learned along the way.