I was told their Apache's error pages leaked "too much information", including the server's IP address. Maybe no breach was needed if this is true.
... I know that, on May 24, 2013, a Silk Road user sent
him a private message warning him that "some sort of
external IP address" was "leaking" from the site, and
listed the IP address of the VPN Server.
The Footnote labeled 4, bottom of page 28.http://www1.icsi.berkeley.edu/~nweaver/UlbrichtCriminalCompl...
edit and off-topic rant: I really hate searching government PDFs.