Week 16 at a Glance

Intro:

Can you believe there are only two more weeks left?   This week we have our last exam (we'll still have a reading quiz next week, though).   As I have done for the other two exam weeks, I am reducing the work for the new chapter so you have time to study and take the exam.  

tcp_wrappers used to be "king" in Linux network security.   Now a days, a lot of this is more handled within the kernel itself using the various incarnations of firwalling (e.g. ufw, iptables).   However, it is still used somewhat and is a lot easier to configure then firewall rules (especially using iptables directly).

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