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From Igor Galić <i.ga...@brainsware.org>
Subject Re: drop canned deflate config?
Date Mon, 02 Sep 2013 07:59:47 GMT
+1

----- Original Message -----
> Am Montag, 26. August 2013, 10:15:19 schrieb Daniel Lescohier:
> > This article recommends not doing BrowserMatches for http
> > compression any more.  E.g., IE was fixed in XP Service Pack 2 in
> > year 2004.
> > 
> > http://zoompf.com/blog/2012/02/lose-the-wait-http-compression
> > 
> > It is also interesting to read about the problem with the 'deflate'
> > codec, with the result being to always use 'gzip' codec, not
> > 'deflate' codec.
> 
> I have seen deflate related problems with fully patched IE6 much later
> than 2004, more like 2009 or so. But I would still think that the time
> to add work-arounds for IE6 or even older browsers is long past. I am
> +1 to removing them all from 2.4.
> 
> > On Fri, Aug 23, 2013 at 4:31 PM, Eric Covener <covener@gmail.com>
> wrote:
> > > Is there any sense in maintaining the netscape 4 workarounds in
> > > the
> > > sample deflate config in 2.4 and later?
> > > 
> > > They end up setting a Vary on User-Agent which is terrible on
> > > caches. I recently assisted a user who skipped the Vary and they
> > > ended up corrupting caches instead.
> > > 
> > > http://httpd.apache.org/docs/2.4/mod/mod_deflate.html
> > > 
> > >     # Netscape 4.x has some problems...
> > >     BrowserMatch ^Mozilla/4         gzip-only-text/html
> > >     
> > >     # Netscape 4.06-4.08 have some more problems
> > >     BrowserMatch ^Mozilla/4\.0[678] no-gzip
> > >     
> > >     # MSIE masquerades as Netscape, but it is fine
> > >     BrowserMatch \bMSIE             !no-gzip !gzip-only-text/html
> > >     # Don't compress images
> > >     SetEnvIfNoCase Request_URI \.(?:gif|jpe?g|png)$ no-gzip
> > >     dont-vary
> > >     
> > >     # Make sure proxies don't deliver the wrong content
> > >     Header append Vary User-Agent env=!dont-vary
> > > 
> > > In 2.2, I would add a warning about caches, but leave the canned
> > > example.
> > > 
> > > --
> > > Eric Covener
> > > covener@gmail.com
> 

-- 
Igor Galić

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