This happened over a decade ago when I was a budding L1 engineer, monitoring network infrastructure of a bank. This post is recollection of a memory when my team-lead (a great mentor) at the time, put me through a challenging exercise to meet a seemingly simple customer requirement. Existing Topology We had this typical topology […]
I had a task to build a site-to-site VPN tunnel with another vendor over which a large amount of data was planned to be transacted on regular basis. On my end, the end-point was a Cisco ASA 5585-X firewall running 9.8 code. To protect the internet circuit from being over-saturated, I decided to use MQC […]
For a remote-access VPN service – to identify whether a genuine authorized corporate asset is connecting, we must check certain parameters to identify the end user machine. Best way would be to utilize digital certificates. Which is better – computer or user certificate? Machine Certificates User Certificates Uniquely identify a machine on the domain Uniquely […]
Cockroaches – they’re the most irritable pests along-side mosquitos that I could think of. Formidable Beasts At my previous apartment in Bangalore, I spent countless hours reading and learning about them – their biology, their evolution, and much more! I don’t know why? I was curious to learn about my adversary in detail so as […]
I’ve had a home lab for learning and skill development from past many years, however, COVID situation and lock downs had many of us move away from our traditional work locations, back to our native parental towns. Most of us opting for remote work. Lock down and Exodus This experience in itself compelled me to […]
I own a Dell PE R620 server running ESXi 6. Fortunately for me, it has a iDRAC7 enterprise licensed card installed that lets me remotely power on and off the server module via scripting – on click of a button. Power On This script logs into the iDRAC via SSH and switches on the server […]