server
Never
import random import socket import struct serverSocket = socket.socket(socket.AF_INET,socket.SOCK_RAW,socket.IPPROTO_ICMP) serverSocket.setsockopt(socket.SOL_IP, socket.IP_HDRINCL, 1) HOST = "10.0.2.6" PORT = 7000 serverSocket.bind((HOST, PORT)) print('server start at: %s:%s' % (HOST, PORT)) print('wait for connection...') while True: # Receive the client packet along with the address it is coming from message, address = serverSocket.recvfrom(1024) icmp_header = message[20:28] type, code, checksum, ID, sequence = struct.unpack('bbHHh', icmp_header) print('recvfrom ' + str(address[0]), ", type: [" + str(type) + "], code: [" + str(code) + "], "\ + "ID:[" + str(ID) + "], sequence number = [" + str(sequence) + "]")