Pcapy is a Python extension module that enables software written in
Python to access the routines from the pcap packet capture library.

Pcapy-NG is a replacement of original Pcapy module, which is not
maintained any more and stopped working altogether on Python 3.10.

From libpcap's documentation: "Libpcap is a system-independent
interface for user-level packet capture. Libpcap provides a portable
framework for low-level network monitoring. Applications include
network statistics collection, security monitoring, network debugging,
etc."

Authors:
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Maximiliano Caceres