Protect your adsense code from prohibited content sites

Adsense program policies strictly say that "Do not display your adsense code on Porn,Adult and drugs and other prohibited content sites.Most of the people does experiments with others adsense code on their sites.They want to check that adsense can display on prohibited content.And they want to adjust their site layout with others adsense code.So your adsense code displays adds on others prohibited content sites.So you adsense account may be banned.So its necessary to protect your adsense code from prohibited content.So adsense provided a new service that "Display adsense adds on your and sites allowed by you".By using this service you can protect your adsense code from others.
To use this service go to adsense setup>Allowed sites.There select "only sites allowed by me".

Now your adsense code is protected.If others stolen your adsense code they can display adds on their sites.But the impressions won't come under your account and adsense won't pay for you. But adsense collect money from advertisers for displaying adds.