Code for Crafting Dummy Packets with Scapy Using Python Tutorial

network_latency_measure.py

server_ips = ["192.168.27.1", "192.168.17.129", "192.168.17.128"] from scapy.all import IP, ICMP, sr1 import time def check_latency(ip): packet = IP(dst=ip) / ICMP() start_time = time.time() response = sr1(packet, timeout=2, verbose=0) end_time = time.time() if response: latency = (end_time - start_time) * 1000 # Convert to milliseconds print(f"[+] Latency to {ip}: {latency:.2f} ms") else: print(f"[-] No response from {ip} (possible packet loss)") for server_ip in server_ips: check_latency(server_ip) 

packet_craft.py

# Uncomment them and run according to the tutorial #from scapy.all import IP, TCP, send, UDP # # Step 1: Creating a simple IP packet # packet = IP(dst="192.168.1.1") # Setting the destination IP # packet = IP(dst="192.168.1.1") / TCP(dport=80, sport=12345, flags="S") # print(packet.show()) # Display packet details # send(packet) ############ # from scapy.all import ICMP # # Creating an ICMP Echo request packet # icmp_packet = IP(dst="192.168.1.1") / ICMP() # send(icmp_packet) ############ # from scapy.all import UDP # # Creating a UDP packet # udp_packet = IP(dst="192.168.1.1") / UDP(dport=53, sport=12345) # send(udp_packet) ########### # blocked_packet = IP(dst="192.168.1.1") / TCP(dport=80, flags="S") # send(blocked_packet) # allowed_packet = IP(dst="192.168.1.1") / UDP(dport=53) # send(allowed_packet)