Learn about IP addresses, online privacy, and network security
Dive deep into the mechanics of IP geolocation, understanding how databases map IP addresses to real-world locations, the data sources used, and the factors influencing its accuracy.
Learn how a DNS leak can expose your online activity even when using a VPN, and how to test for, prevent, and fix it to protect your digital privacy.
This article explains what DNS over HTTPS (DoH) is, how it enhances online privacy and security by encrypting DNS queries, and how to enable it in popular browsers and operating systems.
Dive deep into the Domain Name System (DNS) and understand its step-by-step resolution process. Learn how your browser translates a human-readable domain name into a machine-readable IP address to connect you to websites.
Discover how Dynamic Host Configuration Protocol (DHCP) automatically assigns IP addresses, subnet masks, default gateways, and DNS servers to your devices, and delve into its core DORA process.
Dive into the TCP/IP model to understand the layered architecture and protocols that enable data to travel across the internet, from your application to its destination and back.
Explore the fundamental differences between public and private IP addresses, how they function within your network, and the crucial role of Network Address Translation (NAT) in bridging the gap.
Dive into how Network Address Translation (NAT) allows multiple devices to share a single public IP address and its critical role in solving the IPv4 address shortage.
Understand the key differences between dynamic and static IP addresses and when to use each type.