How do I enable GZIP compression for POST (upload) requests to a SOAP WebService on IIS 7?

asp.net web-services iis-7 http-compression
NickG picture NickG · May 21, 2013 · Viewed 17.2k times · Source

How can I enable compression for POSTed data uploaded to a .NET WebService (SOAP, not WCF)? I thought it would be a simple matter of enabling dynamic compression in IIS but after enabling, it's only compressing the response, not the POST request.

I've added it as a Service Reference and I can't find any settings on the generated SOAPClient to enable compression of requests.

It seems I might be missing a configuration setting or code on the client side to compress the request before sending it to the server? Or is what I'm trying to do (GZipping POST data) not even supported?

Further info: I'm using .NET 4.0 on the client and server.

Answer

Wiktor Zychla picture Wiktor Zychla · May 23, 2013

I've blogged on that 4 years ago

http://netpl.blogspot.com/2009/07/aspnet-webservices-two-way-response-and.html

I wonder why you haven't found this by googling. Anyway, this should work for you, we have it working in a production environment for 4 years now.

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