[users@httpd] Changes to mod_rewrite and mod_proxy 2.2.8 to 2.2.11

[wi <ic...@gmail.com>]

Hi all

Our site is upgrading from 2.2.8 to 2.2.11, and we're getting some
unexpected behaviour.

Our current configuration makes heavy use of the [NE] flag. For instance

 RewriteRule ^/(.*) balancer://delta/$1 [P,NE,L]

However, in the upgraded server the [NE] no longer appears to be
supported. I found the following line in the 2.2.10 changelog:

  *) mod_rewrite: Preserve the query string when [proxy,noescape]. PR 45247.
     [Tom Donovan]

The problem for us is that some requests we receive have already been
escaped. Is there a way we can get the old behaviour back?

-- 
Cheers
Wayne

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Re: [users@httpd] Changes to mod_rewrite and mod_proxy 2.2.8 to 2.2.11

[Tom Donovan <do...@bellatlantic.net>]

wi wrote:
> Hi all
> 
> Our site is upgrading from 2.2.8 to 2.2.11, and we're getting some
> unexpected behaviour.
> 
> Our current configuration makes heavy use of the [NE] flag. For instance
> 
>  RewriteRule ^/(.*) balancer://delta/$1 [P,NE,L]
> 
> However, in the upgraded server the [NE] no longer appears to be
> supported. I found the following line in the 2.2.10 changelog:
> 
>   *) mod_rewrite: Preserve the query string when [proxy,noescape]. PR 45247.
>      [Tom Donovan]
> 
> The problem for us is that some requests we receive have already been
> escaped. Is there a way we can get the old behaviour back?
> 

The fix for PR 45247 shouldn't change how the characters in URIs are escaped.

The query string portion of the URI was being dropped with [NE].  This fix ensures that the 
(unescaped) query string is retained in the URI when [NE] is used.

http://svn.apache.org/viewvc?view=rev&revision=683813

Do you have an example of a URL which is getting escaped with your RewriteRule in 2.2.11, but was 
not escaped in 2.2.8?  Setting the directives 'RewriteLog file-path' and 'RewriteLogLevel 9' should 
show how mod_rewrite manipulates your URI.

http://httpd.apache.org/docs/2.2/mod/mod_rewrite.html#rewritelog

-tom-

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