A method, system and computer readable medium for the blocking of
recording digital content at an end user multimedia end-user-system
during the rendering of encrypted digital multimedia files. Before the
process of rendering of encrypted digital multimedia can be started all
rendered media stream during playback are opened to ensure that this
multimedia content is not recorded. This blocks the usage of the devices
and/or ports that can be used to store un-encrypted content that has been
decrypted for the purposes of playing or rendering. The method also
includes an exception, which allows recording with permission from the
present invention.