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From Dmitry Khrustalev <d...@zippy.machaon.ru>
Subject Re: cvs commit: apache-1.3/htdocs/manual/misc known_client_problems.html
Date Sun, 02 May 1999 21:08:47 GMT

Well, this change will break HTTP/1.1 cache validation protocol. Can you
consider downgrading response to HTTP/1.0?

	-Dima 

On 29 Apr 1999 coar@hyperreal.org wrote:

> coar        99/04/29 08:06:54
> 
>   Modified:    src      CHANGES
>                src/main http_protocol.c
>                htdocs/manual/misc known_client_problems.html
>   Log:
>   	Add another special-meaning envariable, force-no-vary, to allow
>   	removal of the Vary field from response headers.
>   
>   PR:	4118
>   
>   Revision  Changes    Path
>   1.1331    +4 -0      apache-1.3/src/CHANGES
>   
>   Index: CHANGES
>   ===================================================================
>   RCS file: /home/cvs/apache-1.3/src/CHANGES,v
>   retrieving revision 1.1330
>   retrieving revision 1.1331
>   diff -u -r1.1330 -r1.1331
>   --- CHANGES	1999/04/28 08:39:45	1.1330
>   +++ CHANGES	1999/04/29 15:06:50	1.1331
>   @@ -1,5 +1,9 @@
>    Changes with Apache 1.3.7
>    
>   +  *) Add "force-no-vary" envariable to allow servers to work around
>   +     clients that choke on "Vary" fields in the response header.
>   +     [Ken Coar]  PR#4118
>   +
>      *) Ease configuration debugging by making TestCompile fall back to
>         using "make" if the $MAKE variable is unset [Martin Kraemer]
>    
>   
>   
>   
>   1.266     +7 -0      apache-1.3/src/main/http_protocol.c
>   
>   Index: http_protocol.c
>   ===================================================================
>   RCS file: /home/cvs/apache-1.3/src/main/http_protocol.c,v
>   retrieving revision 1.265
>   retrieving revision 1.266
>   diff -u -r1.265 -r1.266
>   --- http_protocol.c	1999/04/27 20:36:31	1.265
>   +++ http_protocol.c	1999/04/29 15:06:52	1.266
>   @@ -1474,6 +1474,13 @@
>            r->headers_out = ap_overlay_tables(r->pool, r->err_headers_out,
>                                            r->headers_out);
>    
>   +    /*
>   +     * Remove the 'Vary' header field if the client can't handle it.
>   +     */
>   +    if (ap_table_get(r->subprocess_env, "force-no-vary") != NULL) {
>   +	ap_table_unset(r->headers_out, "Vary");
>   +    }
>   +
>        ap_hard_timeout("send headers", r);
>    
>        ap_basic_http_header(r);
>   
>   
>   
>   1.18      +13 -0     apache-1.3/htdocs/manual/misc/known_client_problems.html
>   
>   Index: known_client_problems.html
>   ===================================================================
>   RCS file: /home/cvs/apache-1.3/htdocs/manual/misc/known_client_problems.html,v
>   retrieving revision 1.17
>   retrieving revision 1.18
>   diff -u -r1.17 -r1.18
>   --- known_client_problems.html	1999/04/26 12:22:24	1.17
>   +++ known_client_problems.html	1999/04/29 15:06:54	1.18
>   @@ -285,6 +285,19 @@
>    generated by mod_rewrite in apache 1.3.  The result is an error from MSIE
>    saying it cannot download the requested file.  There are more details
>    in <a href="http://bugs.apache.org/index/full/4118">PR#4118</a>.
>   +</P>
>   +<P>
>   +A workaround is to add the following to your server's configuration
>   +files:
>   +</P>
>   +<PRE>
>   +    BrowserMatch "MSIE 4\.0" force-no-vary
>   +</PRE>
>   +<P>
>   +(This workaround is only available with releases <STRONG>after</STRONG>
>   +1.3.6 of the Apache Web server.)
>   +</P>
>   +
>    
>    <!--#include virtual="footer.html" -->
>    </BODY>
>   
>   
>   
> 
> 

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