.BFR

.BFR file extension

This is the basic program to work with .BFR extension

Wireshark

Wireshark Wireshark file

Wireshark is a network protocol analyzer, which lets you see what’s happening on your network at a microscopic level. It can be used to examine security problems, troubleshoot network issues, verify network applications, and debug protocol implementations... (more)

The program works with the following extensions: rf5, syc, tpc, erf, tr1, acp, trc, wpc, pkt, wpz, enc, 5vw, apc, atc, bfr, cap, fdc, pcap, snoop and trace

.BFR extension is also supported by the following programs:

Ethereal

Ethereal Ethereal file

Sniffer application used to monitor network traffic, filtering by protocol.
DataView

DataView Scope Document

Displays digital data on the screen with conventional log formats.