Daily Archives: 14.01.2016


Securing SSH access with Port Knocking using iptables

This is working for Ubuntu and Debian and might be slightly different for other distributions. However, the rules that are implemented will work on every distribution's iptables. First install the package iptables-persistent: apt-get install iptables-persistent Do not save the current configuration when asked as we will create a new one. Now put the following contents […]