On Tue, 2009-02-10 at 16:21 +0000, Andrew Wood wrote:
> If a 180 or 200 is received how is the best way to check which host  
> generated this, if a request was forked, if it doesnt have a Contact  
> header.

200 responses must have a Contact header.

You can look for a User-Agent or Server header in the response, which
would indicate the software type of the responder.  But I don't think
there is a general way to solve the problem other than to trace how the
response got to the UAC through the logs of the intermediate proxies.

Dale


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