Scapy is a packet forging tool using Python as its domain specific language. It was developed by Philippe Biondi in 2003.
Classic SYN Scan can be initialized by executing the following command from scapy’s prompt:
The above will send a single SYN packet to google’s port 80 and will quit after receving a single response:
.Finished to send 1 packets.
Received 2 packets, got 1 answers…