According to the OSI Model, the session layer is where connections are established, managed, and torn down. For connection-oriented network protocols, understanding how the session layer works, and ...

From the OSI model’s seven layers to hands-on Wireshark packet analysis, mastering networking fundamentals bridges theory with real-world troubleshooting. Understanding TCP vs UDP, routing algorithms, ...

Thanks for your comments on my first EtherGeek post on understanding the OSI Model. I especially enjoyed learning new ways to remember the OSI Model; for example: Please Do Not Throw Stale Pizza Away.

From the OSI and TCP/IP models to subnetting, commands, and real-world fixes, understanding networking fundamentals is key to building, maintaining, and troubleshooting secure, efficient systems. By ...

It isn’t often that old hacking methods make significant news, but an ARP attack received widespread attention earlier this week, more so for the perceived target than for the actual attack itself. In ...