This thread exists specifically to alert you to the fact that measures like those will no longer work (indeed, they will cause your service to fail) and give you a chance to replace those checks with something more secure. For example, if you have an HTTP GET operation to an external server, you can create your own authentication signature with something like: # The SharedSecret value is known by the server as well string SharedSecret = "a975c295ddeab5b1a5323df92f61c4cc9fc88
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