Quote Originally Posted by remnant24c@nate.com View Post
Can i make ICMP protocol with QTcpsocket.
No, of course not.

or use Winsock2 socket. I found source made by C . It used Winsock2.
These are not TCP sockets, these are not bound to any
protocol yet, so you can bind them to any protocol, ICMP included. QTcpSocket is for handling TCP protocol.

BTW. Crafting ICMP packets may require superuser privileges.