hash -r

http://unix.stackexchange.com/questions/5609/how-do-i-clear-bashs-cache…

http://gallery.technet.microsoft.com/scriptcenter/d0670079-6158-4dc5-a9…

no windows passtos num funciona! hahahaha!

http://redmine.pfsense.org/issues/1266

http://linux.101hacks.com/unix/umount/

http://social.technet.microsoft.com/Forums/en-US/w7itproinstall/thread/…

http://rockpenguin.wordpress.com/2010/08/22/most-awesome-cms-ever/

http://en.wikipedia.org/wiki/Null_route
http://blog.up-link.ro/how-to-add-a-nullroute-blackhole-filtering/
http://www.nullamatix.com/howto-windows-xp-server-2003-null-route/

in a multi-wan setup if thw default wan is down there's no packages!

http://forum.pfsense.org/index.php?topic=7001.0;wap2

http://www.bsdcan.org/2008/schedule/attachments/66_pfSenseTutorial.pdf

http://supremophantom.blogspot.com/