[flexcoders] How to write Flex proxy without data server access and FDS

[rzilist]

Hi folks,
I'm consuming a webservice from secured domain which has no 
crossdomain.xml file found at server root. It works locally, but I get 
the "Security error accessing url" message when swf file gets deployed 
to IIS server. As far as I know I either need a proxy process on the 
server hosting a webservice (which I have no access to), or have the 
proxy-config.xml on FDS (which I also don't have). Is there a way 
around it? Please help.
Thanks,
Roman