from scapy.layers.inet import TCP, IP # create IP header ip = IP(src="10.0.0.1", dst="192.168.1.1") # create TCP header tcp = TCP(sport=80, dport=12345) # combine them to create the packet packet = ip / tcp # display packet details print(packet.summary())
from scapy.all import * # create IP and TCP headers ip = IP(src="10.0.0.1", dst="192.168.1.1") tcp = TCP(sport=80, dport=12345, flags="S") # send SYN packet response = sr1(ip/tcp) # display response details print(response.summary()) # send ACK packet to complete connection tcp = TCP(sport=80, dport=12345, flags="A", ack=response.seq + 1) send(ip/tcp)This code establishes a TCP connection by sending a SYN packet and receiving a response packet. The response packet should have the SYN-ACK flags set. After receiving the response, an ACK packet is sent to complete the connection. In conclusion, the scapy.layers.inet TCP TCP package library is used for working with TCP packets in Python. The library provides various functions and classes for creating, manipulating and analyzing TCP packets. The code examples shown above demonstrate the use of this library for creating and sending TCP packets.