Luke, Charles, Paul and others reported a bad signature update of Trend Micro today. The reported effects seem to vary from blocking IBM's Domino, non-functional Oracle servers over false postives to blocking the entire collection of machines.

The bad signature seems to be revision 4.995. Version 4.997 is supposed to not exhibit the problem any longer.

• Trend Micro support note

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Swa Frantzen -- Gorilla Security