Photo by Lisa Keffer on Unsplash

How send data using ping (or how ping can turn evil!)

We all know ping, its very useful tool that allows us to verify connectivity between hosts and troubleshoot issues like network latency and packet loss, but it has also another more “dark” side, each ICMP packet has a data section that can be easily customized with whatever data you want.. its quite small and the ICMP protocol in nature does not support any TCP mechanisms like error recovery and…