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Linux Server Security

To install BFD, SSH into server and login as root.

At command prompt type: cd /root/

At command prompt type: wget http://www.rfxnetworks.com/downloads/bfd-current.tar.gz

At command prompt type: tar -xvzf bfd-current.tar.gz

At command prompt type: cd bfd-0.4

At command prompt type: ./install.sh


After BFD has been installed, you need to edit the configuration file.

At command prompt type: pico /usr/local/bfd/conf.bfd


Under Enable brute force hack attempt alerts:

Find

ALERT_USR="0"

and change it to

ALERT_USR="1"


Find

EMAIL_USR="root"

and change it to

EMAIL_USR="your@email.com"


Save the changes then exit.


To start BFD

At command prompt type: /usr/local/sbin/bfd -s

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