Avatar photo

David Cao

David is a Cloud & DevOps Enthusiast. He has years of experience as a Linux engineer. He had working experience in AMD, EMC. He likes Linux, Python, bash, and more. He is a technical blogger and a Software Engineer. He enjoys sharing his learning and contributing to open-source.

Filtering UDP Packets with the tcpdump Command

tcpdump is a powerful command-line packet analyzer that lets you capture and inspect network traffic in real time. When you need to troubleshoot services like DNS, DHCP, or NTP, filtering for UDP packets is often the quickest way to see what’s…