Hot & Cold Water Dispenser

I just love porn, but there are places and work places for it... what is the best practice to avoid users to get porn into their computers? and, please, don't come with that firewall or parental control bs... there are ways to bypass it! well, what I mean is that I don't want to block all internet or even use parental control for the company. Everyone is adult and should have a understanding of it... but not everyone does! What you guys use for policing this? ...and by the way, for those w