The net/trafd port
trafd-3.0.1 – BPF traffic collector
Description
trafd is a superset of trafshow, and extends it by adding a daemon
which collects data about network connections (src, dst, protocol
and length). The resulting data can be dumped to a file for later
processing.
To use trafd, your kernel must be rebuilt with the following line
added to your kernel config file (/sys/arch/<YourArch>/conf/<YourMachine>):
pseudo-device bpfilter 8 # Berkeley packet filter
The number after bpfilter is the number of interfaces that can be
examined simultaneously. See bpf(4) for details.
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