Headers not sent in a module

"Robin Schuil" <[email protected]>
Newsgroups gmane.network.tux
Message-ID <[email protected]> 
When I have set all_userspace = 1 all requests are sent to my module.
I perform some actions on the requested file and do some advanced logging.
However, I noticed that the headers are not sent by Tux. Do I have to do
this myself?
I would like Tux to do this because of all the caching headers
(if-modified-since, etag, etc.)
Could someone help me out?
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