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Re: Firewall problems with RDF MIME type?

From: David Powell <djpowell@djpowell.net>
Date: Fri, 15 Apr 2005 15:59:00 +0100
Message-ID: <1113577140.425fd6b44bf6f@webmail.djpowell.net>
To: Ora Lassila <ora.lassila@nokia.com>
Cc: Phil Archer <phil.archer@icra.org>, SWIG <semantic-web@w3.org>

Quoting Ora Lassila <ora.lassila@nokia.com>:

> Now that you mention it, I realize I have also experienced some "strange"
> behavior. When the Wilbur [1] HTTP client requests a URL (with Accept:
> header containing only application/rdf+xml), I sometimes don't get any
> response and sometimes get the corresponding text/html response (from some
> servers that are able to differentiate between the two) when I am behind our
> corporate firewall, but the correct RDF file when I am on the "open"
> internet. I haven't had time to debug this yet, though.

Is the server sending back a "Vary: Accept" header?  If not then your
proxy/firewall might be cacheing the response when you access it with a
browser, and returning the same HTML response when you try to access it with
your RDF client?

--
Dave
Received on Friday, 15 April 2005 14:59:02 GMT

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