9 min animation: How TCP/IP works (router, switch, firewall) (How Packet Travels in Network ( 3D Animation ))

How Packet Travels in Network ( 3D Animation )

megamrcooldude 於 2012-01-23 上傳

See how packet travels in a network, How Router works and how switch works.
How proxy server works, How firewall works.
This video will help you in learning about Computer Networks.

outgoing packets going through router switch, proxy server, firewall   (4min)
incoming packets going through firewall: 9min

port 53: DNS service
port 23: telnet
port 25: SMTP