ONI Advisory 001

Well, after a lot of hard work my research on International Broadcasting Bureau (IBB)/Anonymizer’s circumvention tool has been released. It contains porn filters that block by keyword — such as ASS. So domains that have ASS in them, such as usembassy.state.gov, are blocked even though they are not pronographic. Besides poorly designed porn filters, the IBB/Anonymizer works in plain text. Therefore the content of a user’s sesion can easily be sniffed. The story has been picked up by CNET/News.com and New Scientist.

U.S. blunders with keyword blacklist
CNET/News.com (May 3, 2004)

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