Network Security

Organization Network architecture

• OSI model

• TCP/IP

• Multilayer protocols

• Storage protocols

• • NAS

  • FCoE

  • iSCSI

• Voiceover IP

• Wireless

• • 802.11

  • WPA and WPA2

  • Li-Fi

  • Zigbee

  • Bluetooth

• Network devices

• • Switches

  • Routers

  • Firewalls

  • Proxies

• Content distribution networks

• Remote meeting technology

• Telecommuting

• Remote access and VPN

• • SSH

  • VPN

  • IPsec

  • SSL/TLS

• Port isolation

• Port forwarding

• Port Mirroring

• Tunneling

• Funneling

• TOR networks

• VLANs

• Network segmentation

• Software-defined networks

• Radio networks

• Micro-segmentation

• Virtual extensible Local Area Network (VXLAN)

• Software-Defined Wide Area Network (SD-WAN)

• Security controls

• • Layer wise