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Re: 404 Error "Standards"

From: Ari Gordon-Schlosberg <regs@nebcorp.com>
Date: Thu, 17 Aug 2000 12:53:42 -0700
To: "'www-talk@w3.org'" <www-talk@w3.org>
Message-ID: <20000817125341.B10989@nebcorp.com>
[Dan Connolly <connolly@w3.org>]
> "Siegel, David" wrote:
> > 
> > In the process of researching how to "ping" a URL to check its validity, a
> > quick solution of just checking for a string involving "HTTP 404 Error" and
> > variations of it presented itself as a quick solution.  Is there currently a
> > "default" standard for web servers for 404 errors?
> 
> Er... yes; if the first 3 bytes of the response message
> are the ascii codes for '4', '0', and '4', then it's a 404 response.

No, the first three bytes should always be 'H', 'T', and 'T'.  If the first
three bytes of the second token are 404, you're good to go.

HTTP-version is always the first token

http://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.1

> 
> 6.1.1 Status Code and Reason Phrase
> http://www.w3.org/Protocols/rfc2616/rfc2616-sec6.html#sec6.1.1

-- 
Ari							there is no spoon
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Received on Thursday, 17 August 2000 15:53:50 GMT

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