I think, that way is very vulnerable and not a good thing to do. Because if someone is addicted to gambling, he would not be able to forget about gambling simply by blocking gambling sites. The best way I think is to eliminate all thoughts about gambling and replace with your latest work or pleasure such as investments, Exchanger, etc. Because it is the safest thing than gambling. Indeed, gambling more profitable than investing or exchanger, but reversed the fortunes of gambling has an impact of the defeat that was so great, if you have a good strategy you can use gambling, but do not let ambition affects you