Comments:
If a HTTP server has a limit on upload file size, then currently with
Firefox (and most other browsers except Opera AFAIK) it must receive all
the data first before it can send the "413 Request Entity Too Large"
response. This may take VERY long.
Firefox should use the "Expect: 100-continue" technique
http://www.w3.org/Protocols/rfc2616/rfc2616-sec8.html#sec8.2.3 when the
total size of a file(s) upload exceeds a certain size.
Browser Details: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.12) Gecko/20101027 Ubuntu/10.04 (lucid) Firefox/3.6.12
From URL: http://hendrix.mozilla.org/
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