Internet Control And Management?

I'm using ADSL router with 4 LAN port. There are 3 laptops and 1 PC in my place.And sometime connection very Slow


Is there any software let me able to:


- know who is use the internet


- know who doing download and upload


Means how i can control my internet network and know what the eployee doing (at least size of download and upload and using more from internet capacity)





thank you ....Internet Control And Management?
If you are on the pc and set up as administrator, and all others are set up as users, then you should have full access to there systems and files to see everything they are doing, no need for special programs.