How VPNs Work: Security, Encryption, and Use Cases A VPN (Virtual Private Network) creates an encrypted “tunnel” between your device and a VPN server, reducing eavesdropping risk on untrusted networks, masking your IP address from the sites you visit, and enabling secure access to private resources. This article breaks down the moving parts—protocols, encryption, authentication, […]
The OSI Model vs TCP/IP: What Every Techie Should Know Two networking models dominate how we explain, design, secure, and troubleshoot modern systems: the OSI reference model and the TCP/IP (Internet protocol suite) model. The OSI model is a conceptual framework created to standardize how networked systems communicate, while TCP/IP is the practical protocol suite
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IPv4 vs IPv6: Why the Internet Is Moving On The internet is undergoing one of its most important infrastructure transitions since its creation. While most users never see it, the shift from IPv4 to IPv6 is reshaping how devices connect, scale, and remain secure in a hyper-connected world. IPv4 powered the early internet, but it
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Whether you’re browsing the web, sending an email, or streaming a movie, you’re relying on the Transmission Control Protocol/Internet Protocol (TCP/IP) to ensure your data gets from point A to point B. But how does this process work? How do packets of data navigate the vast expanse of the internet? This article delves deep into
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