In our last meeting, some of us discussed doing something on iptables and firewalls.
GlenOgilvie has run a tutorial on iptables and associated tools on the 12th of April, 2010. It was a tutorial with some slides so people could get their hands dirty and learn better.
People brought their laptops and could access a virtual machine to play play with firewalls and to better understand firewalls.
Each virtual machine had iptables, shorewall, ulogd, telnet, tshark, nmap, ping, and a couple of text based editors like vi, vim, joe and pico. Laptops should have these tools installed too, as well as wireshark if possible.
We discovered that the topic is too big to cover in 2 hours, so we started at the beginning and covered basic networking, firewall rules and an introduction to shorewall, and some information on logging and packet inspection using wireshark.
A later tutorial may include nat, snat, dnat (for connection sharing), discussion around custom chains and various tasks to test firewall configurations, with some information on how to make your firewall do these things.
The following people RSVPed and turned up.
If you attended this, please provide some feedback below:
Firewall Tutorial Feedback and Suggestions (April 12 2010)
"I really enjoyed the tutorial. It was a good idea of starting with the basic and then move to advance stuff. I would like get my hands onto more advanced stuff and as glen mentioned it was not possible in two hours so looking forward for another tutorial. Finally it was good presentation." - BrijeshPatel?