For the windows search to be able to index pdf files on x64, we had to install the Adobe PDF iFilter 9 for 64-bit platforms.
The relase notes for Reader 10.1 state that the 10.1 iFilter is more secure (works with protected mode enabled).
Does anyone now if iFilter 9 still need to be installed on x64 editions or if the iFilter of the version 10.1 is finally compatible?
That comment is also not very reassuring regarding the security of the current iFilter 9 for 64-bit.
It was released on the code base of 9.0 and did not receive any security update ever.
Especially considering the many US-Cert advisories recommending to disable the Adobe Acrobat Indexing Service Filter as part of workaround such as: http://www.kb.cert.org/vuls/id/905281
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