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Asked: 2026-05-17T15:09:06+00:00

I need to call a .NET SOAP webservice in a secure way. It must

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I need to call a .NET SOAP webservice in a secure way. It must be secure in such a way that others can’t call the WebService methods, and also it should not be possible for “the middle man” to understand the content of the messages.

The caller will also be a .NET webapplication installed on another IIS.
I can design the webservice methods as I want, so no restrictions there.

I have been researching HTTPS/SSL with certificates, but I don’t know if it actually solves my problems in a good way? For example, it would be anoying if the certificates has an expiration date, although it’s not a showstopper in any way.

So how would I go about this in a good way..?

Thanks for any help.

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1 Answer

  1. Editorial Team

    As @BrokenGlass said, SSL only encrypts the traffic between points. It doesn’t handle securing individual functions from usage without authorization. Here is a good article on just such a topic using SOAP headers:

    How to: Perform Custom Authentication Using SOAP Headers

    This can be mixed with any form of authentication except Windows Integrated. To use Windows authentication, you’ll need to have a separate library which accesses the Active Directory through the DirectoryServices namespace.

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