Back in 2011, I wrote a post on how to enable SSH on Cisco routers and switches. Unfortunately, it didn’t contain any of the advanced configurations that will harden Cisco IOS SSH server. To be fair, there were older IOS software versions that didn’t include advanced SSH commands that I […]

Securing Cisco IOS SSH server



Several months ago, I covered how to add two-factor authentication (2FA) to FreeRADIUS using Google Authenticator. Today, I will cover the TACACS+ version of it. I’ve written a blog post on how to build tac_plus server using Ubuntu. The guide was written in 2011, while it’s an old blog post, […]

Adding Two-Factor Authentication to TACACS+



Passed #CISSP exam! Long exam but not that hard. — Andrew Roderos (@networkjutsu) May 22, 2017 Yesterday was a good day, at least for me. I passed the CISSP exam on my first attempt! While it wasn’t that hard (in my opinion) compared to other exams that I have taken, […]

Passed the CISSP exam!


This blog post is part of a series on EdgeRouter Lite. You may want to check them all out! Date Title Description 03/13/16 My Home Router – EdgeRouter Lite Quick introduction to EdgeRouter Lite 04/09/16 Ubiquiti’s EdgeOS CLI Introduction EdgeOS CLI Primer 05/01/16 How to configure EdgeRouter Lite via CLI […]

Hardening EdgeRouter Lite – Part 4


This blog post is part of a series on EdgeRouter Lite. You may want to check them all out! Date Title Description 03/13/16 My Home Router – EdgeRouter Lite Quick introduction to EdgeRouter Lite 04/09/16 Ubiquiti’s EdgeOS CLI Introduction EdgeOS CLI Primer 05/01/16 How to configure EdgeRouter Lite via CLI […]

Hardening EdgeRouter Lite – Part 3