Score another one for the record industry.

The Australian record industry celebrated a win against online music-swapping service Kazaa today, in a long-running court battle watched by the global music industry.

Future versions of Kazaa will need to include filters to prevent the trading of copyrighted music works, the federal court ruled.

Kazaa's owners would have to apply "maximum pressure" on existing users to upgrade their software to the new, filtered version.

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