Try running Wireshark and see the message flow Chrome uses. Compare that 
with the message flow when you use HttpClient.

frank

On 2011/02/08 20:16, Diogenes Moreira wrote:
> can you contact to http server admin.?? may be in server's log you can
> find more information..
>
> On Tue, Feb 8, 2011 at 5:10 PM, Facundo Vozzi <facundov79 at gmail.com
> <mailto:facundov79 at gmail.com>> wrote:
>
>     Hi Diogenes,
>     I had suposed a server security issue but the strange is that with
>     some files always work and with others never. From Chrome it works
>     fine for download any files.
>
>     Thanks,
>     FV
>
>     On Tue, Feb 8, 2011 at 4:47 PM, Diogenes Moreira
>     <diogenes.moreira at gmail.com <mailto:diogenes.moreira at gmail.com>> wrote:
>
>         http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.7
>
>         <http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.7>This
>         error is reported by the Http Server.. that isn't client problem..
>
>         May be, your provider was implemented a browser cain's filter
>         (most typical) or apache's mod_security.
>
>         Best
>
>         D.
>
>         On Tue, Feb 8, 2011 at 4:39 PM, Facundo Vozzi
>         <facundov79 at gmail.com <mailto:facundov79 at gmail.com>> wrote:
>
>             Hi all,
>             I'm downloading some zip files from a HTTP server with
>             HTTPClient in this way:
>
>             HTTPClient httpGetDocument:
>             'http://anInternetAddress/files/20101101.zip'
>
>             And it works fine some times and others times not. The files
>             are uploaded periodicaly and with some files always work and
>             with others never work. The error that I got when I do it is:
>
>             HTTP/1.0 406 Not Acceptable
>
>             Anyone haveanyideathat canhappen?
>
>             Thanks in advance,
>             FV
>
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