----- "Mark Montague" <m...@catseye.org> wrote:

> On January 4, 2011 22:32 , Carlos S <neu...@gmail.com> wrote:
> > Recently I was trying to download a package using wget, but the
> > website prevented access to it. I tried --user-agent  option but it
> > didn't work either. So I was curious to know what strategy this web
> > admin must have implemented.
> 
> Without an example URL, I can only speculate, but the ideas that come
> to 
> mind first are denying the download unless a cookie is set (you could

i.ga...@panic ~ % wget --help | grep cook
       --no-cookies            don’t use cookies.
       --load-cookies=FILE     load cookies from FILE before session.
       --save-cookies=FILE     save cookies to FILE after session.
       --keep-session-cookies  load and save session (non-permanent) cookies.
i.ga...@panic ~ %                             
 
> get quite complex with this, such as setting the cookie via
> JavaScript, 

Yup.. that (JS) would kill off wget.. but also many other (sensible) clients

> which wget won't execute), checking the referrer header, or other 

i.ga...@panic ~ % wget --help | grep -i referer
       --referer=URL           include ‘Referer: URL’ header in HTTP request.
i.ga...@panic ~ %

> JavaScript based checks.

i

> --
>    Mark Montague
>    m...@catseye.org

i

-- 
Igor Galić

Tel: +43 (0) 664 886 22 883
Mail: i.ga...@brainsware.org
URL: http://brainsware.org/

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