icmpinfo(8) on Linux
The text 7cd14a6fea0c, as Debian 4.0 (Etch), Debian 3.1 (Sarge), Debian 3.0 (Woody), Debian 2.2 (Potato) shipped it.
interpret ICMP messages
Flags it lists
-
-k -
-l -
-n -
-p -
-s -
-v -
-vv -
-vvv