SOAP requests for S3 and EC2 use different namespace URIs, so it's quite possible to have both services served at the same URL, without the Host header. You just need to look at the namespace URI of the body.
SOAP requests for S3 and EC2 use different namespace URIs, so it's quite possible to have both services served at the same URL, without the Host header. You just need to look at the namespace URI of the body.