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[XHR2] Upload progress events and simple cross-origin requests

From: Alexey Proskuryakov <ap@webkit.org>
Date: Wed, 18 Mar 2009 23:04:18 +0300
Message-Id: <D860283E-8D51-4C0E-BAC1-B508BEBE879B@webkit.org>
To: public-webapps <public-webapps@w3.org> 
Per the current XHR2 spec draft, upload progress events are not sent  
if the cross-origin request didn't do preflight. What is the rationale  
behind this requirement?

I used to think that this was necessary to prevent port scans of  
internal networks, but that can be done via other mechanisms anyway,  
as far as I know.

- WBR, Alexey Proskuryakov
Received on Wednesday, 18 March 2009 20:05:10 GMT

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