Controversial imageboard website 4chan has added tougher rules to its website after the recent and massive leak of photos showing nude celebrities.

The world's most famously anonymous message board has decided to add a new Digital Millennium Copyright Act (DMCA) takedown policy to prevent a similar scandal in the future.

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Online laws state that websites aren't liable for infringing content uploaded by users, provided they take immediate steps to pull-down offending content once alerted.

Previously, 4chan took a self-regulating stand. It reasoned that the total number of items posted to its website bumped-off offending content at the front page rather quickly.

Now, U.S. Congress wants to keep the Internet as a free-wheeling forum. To do so, it included the DMCA to govern the online distribution of photos, video and text.

DMCA requires websites and other ISPs to eliminate a piece of content that infringes on a copyright after being notified of a violation by the copyright owner.

4chan will now officially get rid of content from its message board once a user "authorized to act on behalf of the owner of the copyright that has been allegedly infringed" contacts the site; recognizes the content in questions; points where it is and offers the requisite statements that the content is infringing.

After pulling out the content, 4chan will notify the content provider or user it has removed the content or disabled access to the post.

It's not clear how 4chan will do that since posters need not to provide any identification when they post content.

In addition, users that still post infringing content will have their 4chan accounts terminated.

But again, it's not clear how 4chan can do make that happen. Banning a particular IP address is being taken into consideration.

Tags4chan, DMCA, Digital Millennium Copyright Act, Internet regulation, leaked celebrity photos