Layered Network Introduction (Cyber Security Part 5) скачать в хорошем качестве

Layered Network Introduction (Cyber Security Part 5)

Support Silicon Dojo at: https://www.donorbox.org/etcg http://www.silicondojo.com/ Layered Networking Problem with Flat Networks Flat networks are easy to scan for vulnerabilities Flat networks make attacks very easy for intruders Networking equipment is “cheap” Layered networks Equipment is cheap Making more difficult for attackers using networking Software Firewalls Software firewalls allow you to only accept traffic from specific hosts Windows Firewall UFW Specialized Software Firewalls Segmenting Networks Compartmentalize servers Separate subnets for different floors in a building, or departments vlans Parallel Networks Convergence has all devices on same LAN Parallel Networks put devices on different subnets and then connect through routers with firewalls DMZ Layered network to have vulnerable servers segregated from internal network Hybrid Infrastructure VPN’s Does your VPN end in a flat network? Virtualized Networking Networking is important in virtualized world too. Plan and Document Plan the work, and work the plan Build for Years, not weeks Final Thoughts…