Friday, February 1, 2013



The SOAPAction field of the HTTP-Header identifies the purpose of the SOAP-HTTP request. The value of this field is a URI without special requirements due to presence or format. A HTTP client which sends a SOAP request has to use this header field.


The presence of the SOAPAction field of the HTTP header can be used by firewalls to filter SOAP requests.
The field value of an empty String means the purpose of the request is to be determined from HTTP request URI itself (examples line 3).
No field value at all (examples line 4) means there is no hint for the purpose of the message provided.


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