Karthik Kadambi

Notes

Collection of notes by Karthik Kadambi.

All Notes

HTTPS Explained

Learn what HTTPS is, how it uses TLS for security, and why it is essential for modern websites.

SSL and TLS Explained

Discover how SSL and TLS encrypt data to make the web secure for passwords, payments, and privacy.

HTTP Explained

A guide to the Hypertext Transfer Protocol (HTTP), detailed methods, status codes, and headers.

Network Packets Explained

Understand what network packets are, why data is split into chunks, and how they travel across the internet.

Domain Registration

Learn how domain names are registered, managed, and connected to websites. Understand registrars, registries, DNS, and nameservers.

How Hosting Works

Learn how web hosting works, types of hosting, web servers, and how hosting connects to domain names through DNS.

DNS Explained

Learn how DNS converts domain names to IP addresses. Understand DNS servers, records, lookup process, caching, and security.

Routing Basics

Learn how routing works, how packets find their path across networks, routing tables, static vs dynamic routing, and BGP basics.

Subnetting

Learn how subnetting divides networks into smaller parts. Understand network bits, host bits, CIDR notation, and subnet masks.

IP Address

Learn what IP addresses are, how they identify devices, IPv4 vs IPv6, public vs private IPs, subnetting, NAT, and routing basics.