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<P>Translating content into what should be equivalent content in another form is used. Some of the problems recently seen with image formats containg exploits just shows that there are few safe data formats. jpeg <-> gif <-> jpeg as an example could be done at the gateway to clean up images and remove steganography. Likewise mp3 <-> wma <-> mp3 could be used do the same. </P>
<P>what are the requirements since they will define acceptable security. </P>
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<P>Lori</P></BLOCKQUOTE></DIV>