Configure asp.net to allow POST with binary

Question

I have a new asp.net (4.0) project and I am trying to make a binary POST request from a flash script. From fiddler I can see the the header is well formed but the request results in a 500 message. Is there anything I need to add/remove anything from a standard web.config to get this working?

What protocol are you using? HTTP doesn't permit arbitrary binary without some encoding. — John Saunders
– John Saunders, Commented Feb 11, 2012 at 3:25
Do you have any control over the flash script of your project? — M.Babcock
– M.Babcock, Commented Feb 11, 2012 at 3:33
Have you checked to make sure the file being uploaded doesn't exceed the maxRequestLenght web config value (msdn.microsoft.com/en-us/library/e1f13641.aspx) or the IIS max vaue (webtrenches.com/post.cfm/iis7-file-upload-size-limits) — Kane
– Kane, Commented Feb 11, 2012 at 9:52

Zenexer · Accepted Answer · 2012-02-11 04:03:43Z

1

Base-64 encode the binary data. This is the typical way to transmit binary data via text.

answered Feb 11, 2012 at 4:03

Zenexer

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Tim M. · Accepted Answer · 2012-02-11 04:09:37Z

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The Windows application log should have the detailed exception. I would look there first. If that doesn't illuminate the problem, then a few things come to mind.

Set maxRequestLength in your web.config to a number that is definitely larger than the request you are making. (see http://msdn.microsoft.com/en-us/library/e1f13641.aspx).

Also, check the MIME type of the request.

answered Feb 11, 2012 at 4:09

Tim M.

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