Chapter 9

Securing the Network

Hardening · Password Policies · ACLs · Wi-Fi Security

Defense in depth, four pieces at a time. Each lesson shows the real Cisco IOS hardening commands, then a small Python exercise that practices the same security logic on simulated data.

Lessons

1

Securing a Network — Defense in Depth

15 min
2

Password Policies

15 min
3

ACLs — The Network Bouncer

20 min
4

Securing Wi-Fi

15 min
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