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From "Boyle Owen" <>
Subject [users@httpd] default mime.types does not contain "gz" - any reason why not?
Date Fri, 10 Feb 2006 10:51:05 GMT

I have just realised that the default version of mime.types which comes with apache distros
1.3 & 2.0 does not contain an extension for the type "application/x-gzip". This means
that if you have a file on your site like download.tar.gz, it will be served with "Content-type:
application/x-tar" (I guess apache falls back to the .tar when it can't find anything for

This is not a problem for a unix machine, it just saves the file as download.tar.gz and then
you can gunzip it as normal. However, on a Windows platform, the combination of the two dots
in the filename and the misleading mime-type causes the OS to save the file as "download.tar.tar".
Thus it can't be recognised by WinZip et al.

[Let's leave aside, for the moment, the issue of why would want to download a tar.gz on a
Windows machine :-]

The simple fix is to assign "application/x-gzip" the extension "gz" in mime.types. Then the
file is served with "Content-type: application/x-gzip", windows can save the file without
munging the name and WinZip is happy. 

Is this simply an omission or is anyone aware of any reason why application/x-gzip should
not be assigned an extension?

Owen Boyle
Disclaimer: Any disclaimer attached to this message may be ignored. 

PS - I checked the apache download sites and they send the correct mime-type for httpd-2.2.0.tar.gz,
for example. Does this mean that the apache site webmaster must have had to edit his own mime.types?
If so, he might've committed the change to the distro too.... :-)


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