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From "William A. Rowe, Jr." <wr...@rowe-clan.net>
Subject Re: cvs commit: httpd-2.0/docs/manual/mod core.xml core.html.en
Date Fri, 07 Jun 2002 03:14:50 GMT
It's more detailed than that.  Here is a posit from  a docco fan,
would you mind incorporating any interesting or useful bits?

My plate overflows.

Bill

-----Original Message-----
From: wizard@bitsmart.com [mailto:wizard@bitsmart.com]
Sent: Monday, May 27, 2002 2:50 PM
To: info@covalent.net
Subject: [info] message for bill rowe


Hi,

I wrote this after following the
pointer you gave me.  Feel free to
use it.  I hereby relinquish all
rights of authorship in favour
of the Apache Project and its
associated organisations.

Bob



-------------------------------------------

CAVEAT WITH RESPECT TO INTERNET EXPLORER
AND FRIENDLY ERROR MESSAGES:

When testing a site with Internet Explorer,
it is necessary to turn off friendly error
messages.  A full discussion of this may
be found in KB Q294807.

In that article, it is implied that error
messages of less than 512 bytes for a
500 status code will be replaced by
the friendly error message generated by
the browser.

In article KB Q218155, a list of status
codes with substitute friendly error
messages is given as:

400, 403, 404, 405, 406, 408, 409,
410, 500, 501, 505

It also documents that each of these
has an individual message size threshold.
The registry key where these values are
stored is given.

The end result is that during testing,
you must be sure to turn off friendly
errors in internet explorer.

Furthermore, if you want to ensure that
users see your error page, you must ensure
that the length of the html in your error
pages be greater than those values found
in the registry as modified by the
installation of internet explorer.  Note
that this is exclusive of the length of
any images, etc that may be called out
in the html

It is the recommendation of the author that
developers and designers select a threshold
that is comfortably larger than the largest
value found in the registry of a reference
machine.


-------------------------------------------


At 09:17 PM 6/6/2002, you wrote:
>slive       2002/06/06 19:17:13
>
>   Modified:    docs/manual/mod core.xml core.html.en
>   Log:
>   At long last, document the MSIE "friendly error message" issue.
>
>   I was very diplomatic here.  I was tempted to use the apache 
> bully-pulpit to
>   berate MS over this arrogant mis-feature, but I restrained myself.
>
>   Revision  Changes    Path
>   1.13      +9 -0      httpd-2.0/docs/manual/mod/core.xml
>
>   Index: core.xml
>   ===================================================================
>   RCS file: /home/cvs/httpd-2.0/docs/manual/mod/core.xml,v
>   retrieving revision 1.12
>   retrieving revision 1.13
>   diff -u -d -b -u -r1.12 -r1.13
>   --- core.xml  30 May 2002 13:26:08 -0000      1.12
>   +++ core.xml  7 Jun 2002 02:17:12 -0000       1.13
>   @@ -650,6 +650,15 @@
>        "ErrorDocument 401" directive then it must refer to a local
>        document.</strong></p>
>
>   +    <p>Microsoft Internet Explorer (MSIE) will ignore server-generated
>   +    error messages when they are "too small" and substitute its own
>   +    "friendly" error messages.  The size threshold varies depending on
>   +    the type of error, but in general, if you make your error document
>   +    greater than 512 bytes, then MSIE will show the server-generated
>   +    error rather than masking it.  More information is available in
>   +    Microsoft Knowledgebase article <a
>   + 
> href="http://support.microsoft.com/default.aspx?scid=kb;en-us;Q294807">Q294807</a>.</p>
>   +
>        <p>Prior to version 2.0, messages were indicated by prefixing
>        them with a single unmatched double quote character.</p>
>    </usage>
>
>
>
>   1.6       +8 -0      httpd-2.0/docs/manual/mod/core.html.en
>
>   Index: core.html.en
>   ===================================================================
>   RCS file: /home/cvs/httpd-2.0/docs/manual/mod/core.html.en,v
>   retrieving revision 1.5
>   retrieving revision 1.6
>   diff -u -d -b -u -r1.5 -r1.6
>   --- core.html.en      30 May 2002 13:26:08 -0000      1.5
>   +++ core.html.en      7 Jun 2002 02:17:12 -0000       1.6
>   @@ -447,6 +447,14 @@
>        "ErrorDocument 401" directive then it must refer to a local
>        document.</strong></p>
>
>   +    <p>Microsoft Internet Explorer (MSIE) will ignore server-generated
>   +    error messages when they are "too small" and substitute its own
>   +    "friendly" error messages.  The size threshold varies depending on
>   +    the type of error, but in general, if you make your error document
>   +    greater than 512 bytes, then MSIE will show the server-generated
>   +    error rather than masking it.  More information is available in
>   +    Microsoft Knowledgebase article <a 
> href="http://support.microsoft.com/default.aspx?scid=kb;en-us;Q294807">Q294807</a>.</p>
>   +
>        <p>Prior to version 2.0, messages were indicated by prefixing
>        them with a single unmatched double quote character.</p>
>    <p><strong>See also </strong></p><ul><li><a

> href="../custom-error.html">documentation of
>
>
>



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