Understanding IP and Ports

Internet la devices eppadi communicate pannum nu purinjika first step IP address and Ports.Indha module la IP address na enna, Public vs Private IP, IPv4 basics, Ports epdi work agudhu, HTTP, HTTPS, SSH madhiri common ports, Hacker perspective la ports use epdi panranga, Real-world network communication basics ellam super simple ah, hands-on approach la kathukuvom. Theory overload illa.Mostly practical + visualization + mini labs based learning.