We will be talking about how to configure IP addresses and static routes using iptables for security and convenience, the iproute2 utilities for advanced routing and IP configurations, and some "gotchas" that can happen with Linux networks. You'll learn why you should throw away ifconfig on Linux in favor of ip, and how to create and optimize iptables rule sets.
You will leave this class with enough IPv6 knowledge to kick-start your transitions or understand your preexisting IPv6 network. We'll also discuss how the loss of NAT doesn't mean your network can't be secure.
Who should attend:
Novice and intermediate Linux system and network administrators, or anyone who wants to understand the ins and outs of networking on Linux. A basic understanding of the OSI model and Linux utilities is recommended but not required. This class is especially well suited for administrators making the leap from Windows to Linux.
Take back to work:
Ways to expertly secure and route your Linux servers on an IP network.
Other useful network troubleshooting tools: ethtool, sysctl -a, ip route get (ip address)
Firewalls
High-level firewall architecture
ip[6]tables: differences between iptables and ip6tables, common use cases, how traffic flows through iptables, targets and matches you never knew existed
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