Andrew Roderos

Tech Geek

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Hi, I’m Andrew Roderos

A network security engineer in the San Francisco Bay Area.
This site is where I talk about tech-related topics like networking and security.

VMware ESXi Home Lab – Intel NUC 10 (Frost Canyon)

If you follow me on Instagram or Twitter, then you know that I recently installed VMware ESXi on Intel NUC 10 (Frost Canyon). It will join the existing hosts in my VMware ESXi home lab that I assembled in 2012 and 2016. While these hosts are old, they're still useful for what they currently do. Eventually, I'm going to repurpose the ESXi 2012 build and will talk about it in a future article. The ESXi 2016 build will continue to host my current virtual servers and future …

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Attacking HSRP

Back in the day, the Cisco Press books only covered the Hot Standby Router Protocol (HSRP) topic in the professional-level track. When I did a quick search on CCNA books, I found out that they covered it in CCNA R&S ICND2 200-105 OCG* and the new CCNA 200-301 OCG, Vol 2* books. Both books, however, didn't cover the security vulnerability of such minimal configuration. Thus, attacking HSRP is possible. This post contains affiliate links. If you use these links to buy …

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Our Information Security Office (ISO) hosted its first-ever capture the flag (CTF) event recently during the Cybersecurity & Privacy Festival. The CTF was open to all staff for a whole week from 10/19 - 10/23. It was engaging, educational, exhausting, frustrating, and infuriating. In this post, I want to share my CTF experience. I will also include some information about the challenges and my thought process. Bonus: I incorporated a mini-CTF. I encourage you to try it out! Before this …

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I recently passed the JNCIA-Junos certification exam. It is my first Juniper certification and might be the last. However, I haven't completely ruled out pursuing a higher-level Juniper certification. Exam Details The JNCIA-Junos exam I took has an exam code of JN0-102. This exam is one of Juniper's entry-level certifications. In the Cisco world, this will be the CCENT equivalent. Though, in February 2020, Cisco will release its new entry-level certification called Cisco …

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