How to completely remove APF from Ubuntu

Running 'apt-get remove --purge apf-firewall' often times is not enough, especially if you tried to modify APF's files and paths. So to completely clean up your Ubuntu system form APF (Advanced Policy Firewall) your also need to run the following commands:

root@host:/etc/apt# rm -rf /var/lib/dpkg/info/apf*
root@host:/etc/apt# rm -rf /usr/src/apf*
root@host:/etc/apt# rm -rf /usr/share/man/man1/apf*
root@host:/etc/apt# rm -rf /usr/share/doc/apf*
root@host:/etc/apt# rm -rf /usr/local/sbin/apf
root@host:/etc/apt# rm -rf /usr/sbin/apf
root@host:/etc/apt# rm -rf /etc/rc0.d/K20apf*
root@host:/etc/apt# rm -rf /etc/apf*
root@host:/etc/apt# rm -rf /etc/default/ap*
root@host:/etc/apt# rm -rf /etc/logrotate.d/apf*
root@host:/etc/apt# rm -rf /etc/rc1.d/K20apf*
root@host:/etc/apt# rm -rf /var/lib/update-rc.d/apf*
root@host:/etc/apt# rm -rf /etc/rc2.d/S20apf*
root@host:/etc/apt# rm -rf /etc/rc3.d/S20apf*
root@host:/etc/apt# rm -rf /etc/rc4.d/S20apf*
root@host:/etc/apt# rm -rf /etc/rc5.d/S20apf*
root@host:/etc/apt# rm -rf /etc/rc6.d/K20apf*