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Message-Id: <201009122343.o8CNhlws027566@bari.maths.usyd.edu.au>
Date: Mon, 13 Sep 2010 09:43:47 +1000
From: paul.szabo@...ney.edu.au
To: full-disclosure@...ts.grok.org.uk
Subject: Firefox same-origin policy for fonts
One of my users asked me to install MathJax on my server.
Reading installation instructions in
http://www.mathjax.org/resources/docs/?installation.html#notes-about-shared-installations
I came across the following:
... Firefox's same-origin security policy for cross-domain scripting.
Firefox's interpretation of the same-origin policy is more strict than
most other browsers, and it affects how fonts are loaded with the
@font-face CSS directive. ...
There is a solution to this, however, if you manage the server ...
create a file called .htaccess that contains the following lines: ...
Header set Access-Control-Allow-Origin "*"
That would suggest that this same-origin policy can be defeated by
settings on the "evil" server: the policy is not enforced, useless.
Did I misunderstand something?
(Does not really matter to me, am not planning on using that setting,
but am wondering about Firefox workings.)
Thanks,
Paul Szabo psz@...hs.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of Sydney Australia
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