Feb 28 · 4 min read · When I started learning network security, I thought it was about memorizing protocols and port numbers. But everything changed when I asked myself a simple question: What actually happens when I open
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Feb 13 · 4 min read · When you start working with AWS - especially with EC2 instances - one of the most confusing topics is IP addressing. You launch a server, and suddenly you see Private IP, Public IP, and sometimes something called an Elastic IP. Understanding the diff...
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Feb 8 · 4 min read · In the digital commercial landscape, the e-commerce and financial industries face multiple risks such as malicious registrations, fraudulent transactions, and online scams. As a foundational tool for risk prevention, IP query technology can effective...
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Jan 29 · 6 min read · How does your browser really find google.com on the internet? Behind that simple name lies a layered, distributed system called DNS. In this article, we’ll understand DNS the right way — not by memorizing terms, but by building a mental model using t...
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Jan 29 · 6 min read · In today’s world, the Internet has become as essential to our lives as food and water. Understanding how networks work is genuinely fascinating. This short article will break down the key devices needed to set up a network, explained in simple terms....
Join discussionJan 28 · 4 min read · An IP address is like a home address for your device on the internet 🏠💻 It tells the internet where to send information.When you open a website, your device uses its IP address so the website knows where to send the page back to you. Example: Your...
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Jan 28 · 3 min read · TCP Every time you open a website, send a message, or download a file, data moves across the internet.But the internet itself is unreliable. That’s where TCP (Transmission Control Protocol) comes in. Why TCP Exists (The Core Problem) If data was sen...
Join discussionJan 27 · 7 min read · Your IP address is more than just a string of numbers—it’s a digital breadcrumb trail leading straight to your front door. While you’re reading this, dozens of trackers, advertisers, and potentially malicious actors could be logging your exact locati...
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Jan 26 · 4 min read · What is DNS? DNS stands for Domain Name System. It is like a phonebook of the internett. If we want a person’s number, we should have the name to search in the phonebook. Similary on internet if we want to find a website then we search it on google. ...
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