Query Security Services for IP Reputation
tl;dr: Use this script to query three of the best security services on the internet about security-relevant data on IP addresses. It is common for Information Security Engineers to check if a given IP address is good or malicious and [maybe] that's why there are so many service…
Creating a Hardened Testing Environment
In my job, we needed to perform some networking tests in an unsafe network segment, so I decided to make a machine for that purpose, granting that the risks were mitigated by hardening the operating system. In this post, I describe the steps to create this environment. Installat…
Bits #5: Set static IP address in Arch Linux
In this post, I am going to explain how to set a static IP address in Arch Linux. For the first time, I created a machine with Arch Linux without DHCP support, and although it is not a very difficult process, I took some notes and decided to publish them for further reference. T…
Automating Network Management with NetBox Scanner
Back in 2018, I was leading the SOC and NOC teams and although I'm not an excellent network engineer, I always tried to help technically the networking team. On that year we were struggling with the IPAM tool and started looking for a replacement. Then we found and tested NetBo…