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5.4 Configure, verify, and troubleshoot basic device hardening | CCNA Packet Tracer RIP Lab part 2 - YouTube
GitHub - mjuenema/ansible-role-secure-cisco-ios: Ansible role for hardening a Cisco IOS router or switch
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Amazon | Hardening Cisco Routers: Help for Network Administrators | Akin, Thomas | Bridges & Routers
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