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

Question

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

Answer 1

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.