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Re: 412 Precondition Failed (was: User Documentation for The W3C Markup Validation Service)

From: Ville Skyttä <ville.skytta@iki.fi>
Date: Sat, 06 Aug 2005 22:18:56 +0300
To: www-validator@w3.org
Message-Id: <1123355936.3495.13.camel@localhost.localdomain>

On Sat, 2005-08-06 at 18:52 +0200, Frank Ellermann wrote:
> Andy Staines wrote:
> 
> >     412 Precondition Failed
>  
> > and yes, the URL has been correct
> > (http://www.yellowswordfish.com)
> 
> Odd.  It's the same problem with the beta validator, and it's
> unrelated to robots.txt (none), and I can GET the page without
> problems:  200, text/html, UTF-8, header and meta equivalent.

If the User-Agent header contains "libwww-perl" (like the one sent by
the validator does), that server responds with a 412 and this page:
http://koti.welho.com/vskytta/ysf.html
Received on Saturday, 6 August 2005 19:19:01 GMT

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