What is ARP? Understanding Address Resolution Protocol Basics (Simple Guide)
When two devices on a local network need to communicate, they don’t rely solely on IP addresses—they … Read more
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Networking Basics
Querying Network Interface Details by Name in Go (net.InterfaceByName)
Write a Go program using net.InterfaceByName to lookup IP addresses, MAC hardware addresses, MTU, and status flags for a specific network interface.
Inspecting Linux Network Interfaces, MACs, and IP Addresses in Go
Learn how to enumerate network interfaces, inspect MAC addresses, extract IPv4/IPv6 CIDR subnets, and check interface status flags using Go.
Listening on Specific Port Numbers with Netcat to Receive HTTP POST Requests
Listen on a specific port using Netcat (nc) to inspect incoming HTTP POST messages, webhooks, JSON payloads, and log headers in Linux.