Hello there,
I am glad that i can tell you that we already have this product developed, so, you can have it very soon.
Our product allow you to block completely network traffic, or disable websites you add to blocking list.
This is not everything you can do with our software - it's also possible to block any application, protect or hide folders, block some services...
Our software is ease to use and we can provide you initial training support.
Of course if you want your own solution we can also develop new one with your design.
We are software company which is alredy 10 years on marked and working with client around the world (Switzerland, Germany, USA, Canada, Australia)..
We are looking forward to have response from you and hope that we will have good cooperation.