Parser.add_argument('-i', '-interface', type=str, required=True, help='network interface name')Įxample logs of running script: $ sudo python3 sniffer. Parser.add_argument('-v', '-verbose', default=False, action='store_true', help='be more talkative') Running a script will require a root (administrator) privileges because Scapy uses a privilege-restricted low-level calls to capture packets. ![]() Sniff(iface="eth0", prn=handler, store=0) Note that the name of network interface on your device may differ. ![]() This example script (sniffer.py) will print out a summary of each captured packet. Below you can find a minimal example you can run on your computer. You can write your own code that will sniff exactly what you need. What more, scapy provides a wide range of features that help you filter and decode packets. You can create a custom packet sniffer in just few lines of code. In short, that interesting tool makes a packet capturing really easy. Through scapy module we can create different network tools like ARP Spoofer, Network Scanner, packet dumpers etc. It has several functionalities through which we can easily forge and manipulate the packet. ![]() ![]() It is used for interacting with the packets on the network. For those who need analyze some raw bytes – no worries, the raw data are also accessible. Scapy is a library supported by both Python2 and Python3. So, it hides all unfortunately low-level abstraction which we don’t really like in Python. But, instead of that, you can just use a powerful Python library – Scapy (see documentation), which exposes a user-friendly high level API. The common method of making a packet sniffer in User-Space is to use low-level operations on RAW sockets.
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