Openwest 2013 - 5/3 - Lance Buttars - "Firewall Wizardry using Netfiler / Iptables" (59)
Channel: OpenWest (old)
Date: 21/05/2013

If you have ever been confused by iptables now is your chance to learn its dark magic. Iptables doesn't just work on the Network layer in TCP/IP stack, but can also be used to filter data link and transport layer traffic. Iptables consists of tables, which consists of chains, which is further comprised of rules. We will provided a high level over view of how iptables works in the Linux kernel and go over its syntax to write rules to filter and block traffic.