css font-face not working

Binary package hint: firefox-3.5

I tried to open a page that uses custom fonts via font-face in css (supported in FF3.5). Unfortunately the custom fonts didn't load. The page is:

http://www.alistapart.com/d/cssatten/drim.html

That page is pulling the fonts from another domain (http://www.princexml.com/fonts/steffmann/....ttf) but the server has the correct policy header (Access-Control-Allow-Origin: *) in the response.

ProblemType: Bug
Architecture: i386
Date: Tue Nov 10 20:29:06 2009
DistroRelease: Ubuntu 9.10
Package: firefox 3.5.4+nobinonly-0ubuntu0.9.10.1
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=pl_PL.UTF-8
 PATH=(custom, no user)
 LANG=pl_PL.UTF-8
 SHELL=/bin/zsh
ProcVersionSignature: Ubuntu 2.6.31-14.48-generic
SourcePackage: firefox-3.5
Uname: Linux 2.6.31-14-generic i686