NodeConnect

Image created by ChatGPT I recently rewatched an episode of The Art of Network Engineering where hosts Andy Lapteff  and William Collins  interviewed Muna Chimso about his dual experience in networking and programming. In their conversation, Andy asked a thought-provoking question:  "Why doesn't anybody want to go into networking?" It's a valid question. I have met people who struggle with networking, but that's not the point. Many are drawn to other fields: cybersecurity, programming, AI & machine learning, the cloud ... the list goes on. I reflected on the question for myself. What drew me to networking? Here are my 5 answers. Maybe you can relate. 1. Networking is everywhere Everything relies on a network. Think about it: our smartphones, operating systems, and driverless cars all rely on a network for communication. Because it is so pervasive, understanding networking can make troubleshooting quicker and easier. Improving your home network can be exciti...

A reservation means nothing if you get the wrong size for your guests, or a party crasher, intended or not, is there first. Similarly, if DHCP is not secure, your device runs the risk of not getting the right network configuration—or any at all. What threats does DHCP face, and how can we protect both devices and the server from such attacks? Let's secure those answers. For a refresher on DHCP, check out this post . DHCP Attacks Rogue DHCP Server On picnic day, you go to the park office to claim your pavilion, but another staff member—different from the one you arranged the event with—has no note of your reservation and gives you another pavilion. What does that mean for your guests? They already have the original location. Things just got complicated. Similarly, a rogue DHCP server is an unauthorized or misconfigured device that disrupts the operations of an authorized server within a network. This can result from manually assigning conflicting IP address ranges or some...