> I'm amazed he knew things in such detail. I mean who would know just how long a MAC address is? Or what the actual SYN/ACK etc tcp flags are? It's what happe

> I'm amazed he knew things in such detail. I mean who would know just how long a MAC address is? Or what the actual SYN/ACK etc tcp flags are? It's what happens when you get old. There were commonly C compilers on 8, 16, 20, 24 and 32 bit architectures, some big-endian, some not, and you couldn't google things in 20 seconds back in those bad old days when old farts were building the networks that would be used to connect to us all to google. (And he has apparently been in networking since)