Learn about commonly used port numbers and their applications in this beginner-friendly guide. Perfect for Linux and DevOps learners!

This article explains subnetting by reframing an IP address as a structured 32-bit number composed of four bytes, which makes the distinction between network and host bits intuitive. It defines subnet masks (for example, /24 = 255.255.255.0), explains how to calculate usable hosts and addresses, and provides practice examples and resources from Decoded Security. #IPaddress #SubnetMask

This article helps cybersecurity beginners focus on the five most important network protocols and understand why they matter in real-world security, starting with the TCP/IP model and HTTP basics. It explains the differences between TCP and UDP, the role of SMTP/IMAP/POP3 and FTP in secure communications, and why mastering these basics...

Quando ci connettiamo a Internet tramite Wi-Fi o cavo, ogni dispositivo coinvolto nella rete ha un'identità ben precisa. Uno di questi “documenti di identità” digitali si chiama MAC Address. Ma di cos...

Understand bandwidth and latency in your Internet service. Explore how bandwidth impacts your streaming and browsing experience.