As @simkin below has commented, you would be (or maybe not be) surprised at the number of people who open holes in firewalls then consider it a success. I don't mean limited access, but wide open access.
I'm 100% in favour of people experimenting and learning to use UNIX and databases. I wish that some people would stop putting out very poor tutorials which only lead to insecure installations. I see this far too much because, unfortunately, they are the top results in search engines.
Biting the hand that feeds IT
