How does the packet filter work? How to set up iptables rules on a server? How to set up routeres? How do you achieve not to lock yourself out from a firewall?
Over the theories, I will introduce ruleset organizing ideas and "best practices" on this quick training for begginers.
What you need:
Your own notebook, that have 64bit virtualization capability (Virtualbox or VMWare player). BYOD! A virtual machine, that we provide for you or you can use yours. Basic Linux knowledge. Cheerfulness and audacity.