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PyPCAP

This is a simplified object-oriented Python wrapper for libpcap - the current tcpdump.org version, and the WinPcap port for Windows.

Example use:

>>> import pcap
>>> sniffer = pcap.pcap(name=None, promisc=True, immediate=True, timeout_ms=50)
>>> addr = lambda pkt, offset: '.'.join(str(ord(pkt[i])) for i in range(offset, offset + 4))
>>> for ts, pkt in sniffer:
...     print('%d\tSRC %-16s\tDST %-16s' % (ts, addr(pkt, sniffer.dloff + 12), addr(pkt, sniffer.dloff + 16)))
...

Windows notes

WinPcap has compatibility issues with Windows 10, therefore it's recommended to use Npcap (Nmap's packet sniffing library for Windows, based on the WinPcap/Libpcap libraries, but with improved speed, portability, security, and efficiency). Please enable WinPcap API-compatible mode during the library installation.

Installation

This package requires:

  • libpcap-dev
  • python-dev

To install run

pip install pypcap

Installation from sources

Please clone the sources and run:

python setup.py install

Note for Windows users: Please download the Npcap SDK, unpack the archive and put it into the sibling directory as wpdpack (setup.py will discover it).

Sample procedure in PowerShell:

cd ..
wget -usebasicparsing -outfile npcap-sdk-0.1.zip https://nmap.org/npcap/dist/npcap-sdk-0.1.zip
Expand-Archive -LiteralPath npcap-sdk-0.1.zip
mv npcap-sdk-0.1\npcap-sdk-0.1 wpdpack
cd pypcap
python setup.py install

Support

Visit https://github.com/pynetwork/pypcap for help!

Help the Project

.. toctree::
    :maxdepth: 2

    contributing

Indices and tables