As I am currently working on refreshing my networking skills and as I want to get deeper into network security, I was looking for some courses. As part of this research, I stumbled over GNS3 and CLM, both tools to create virtual lab environments.
Posted September 26, 2021 by Adrian Wyssmann ‐ 6 min read
Packet filtering is essential for network security and Linux offers this out of the box. There are different possibilities like iptables, nftables or firewalld, and a basic understanding of these is very useful.
Posted July 9, 2021 by Adrian Wyssmann ‐ 8 min read
Last Wednesday I was attending the DevOps Connect: DevSecOps at RSAC 2021, whereas a cool project was presented: Crowdsec, a collaborative behavior detection engine, coupled with a global IP reputation network
Posted May 22, 2021 by Adrian Wyssmann ‐ 11 min read