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