Installation:
curl -O http://www.rfxnetworks.com/downloads/bfd-current.tar.gz
tar -xvzf bfd-current.tar.gz
cd bfd-1.5-2
./install.sh
Edit the configuration file: nano /usr/local/bfd/conf.bfd
Add your IP to the ignore list so you don't get banned: nano /usr/local/bfd/ignore.hosts
Start BFD: /usr/local/sbin/bfd -s
Logs: tail -f /var/log/apf_log