Incoming and Outgoing TCP/IP connections logger
tcpspy is an administrator's tool that logs information
about incoming and outgoing TCP/IP connections. It's
written in C and uses no libpcap functions, unlike tcpdump.
Connections are selected for logging with rules, similarly
to the filter expressions accepted by tcpdump. The
following information is logged: username, local address
and port, remote address and port, and, optionally, the
At present, only the IPv4 protocol is supported.
The current URL for this project is
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