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Re: Firewall problems with RDF MIME type?

From: Phil Archer <phil.archer@icra.org>
Date: Fri, 15 Apr 2005 13:44:27 +0100
Message-ID: <10cd01c541b9$3bde5970$63601052@PHILXP>
To: "SWIG" <semantic-web@w3.org>

> Phil Archer wrote:
>> Be that as it may, I've now hit a new problem. Firewalls don't seem to 
>> like the RDF MIME type either. At my encouraging, a company 
>> (www.madesafe.com) put an RDF file (labels.rdf) in its root directory and 
>> then configured Apache to include an HTTP Response Header to point to it 
>> (this involved installing an Apache module and adding the RDF MIME type).
>
> Why did that involve installing an Apache module? This should be enough:
>
>  AddType application/rdf+xml .rdf

Yes, that sorts the MIME type issue, but setting custom Response Headers 
needs mod_headers which is not generally installed by default.

>
>> No problem - except a lot of the website became inaccessible! Reconfigure 
>> Apache to take out the RDF MIME type - problem disappears. It's not the 
>> server, it's the firewall that thinks it's detecting a problem. 
>> Configuring the firewall _didn't_ solve it. (The solution for now, has 
>> been to rename the file as labels.xml - so it gets the text/xml MIME type 
>> but it's better than text/plain).
>
> You might want to change that to application/xml as text/xml has some 
> issues with regard to character encoding. See RFC 3023 section 8.5

I know it's not ideal but when the "correct" solution makes the website 
inaccessible, pragmatism has to take over.

> I wonder though how a firewall goes to jump because of a MIME type...

Me too. Hence the question!
Received on Friday, 15 April 2005 12:47:07 UTC

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