What?
Remember that if you send something to IP Address ending with .255
, it’s a broadcast port. So if you send a ping it, everyone will respond to you saying they exist. But what if you sent a ping to it, pretending to be someone else? Then everyone will send that IP with a bunch of ping results. Boom. Genius. I know. It’s called a Reflection Attack.
Legit Use Cases:
ping 192.168.1.255
will cause everyone on that subnet to respond to you. (Ping carries forgeable information about where it’s coming from.)- You could legitimately want to know who’s on the subnet.