Self.ins = socket.socket(socket.AF_PACKET, socket.SOCK_RAW, socket.htons(type))įile '/usr/lib/python3.6/socket.py', line 144, in _init_ venv/bin/python scapy-arp-listener.pyįile 'scapy-arp-listener.py', line 36, inįile './venv/lib/python3.6/site-packages/scapy/sendrecv.py', line 731, in sniffįile './venv/lib/python3.6/site-packages/scapy/arch/linux.py', line 567, in _init_ This is true for most scapy based applications. If you get the following error when running the script it’s because you need sudo/root privileges to the oses networking layers to be able to sniff ethernet frames.

Below, I have also included the requirements.txt of my virtual environment.

This script was developed and tested on a Ubuntu 18.10 host running python 3.6.7. The script is also available as a github gist. Sniff(filter='arp', prn=handle_arp_packet) Listen for arp packets using scapy to learn the IP and Mac Address of LAN hosts

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Wireshark filter arp reply