Re: [users@httpd] mod_proxy incorrectly decodes %2C when proxying URL to back-end?

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Search the archives, I seem to remember seeing a discussion about
something like this fairly recently.


Robert Jaeschke wrote:
> Hello Jeff,
> 
> Jeff Ambrosino schrieb:
>> We have a mod_proxy (2.0.54) front-end proxying to a back-end MS IIS
>> server.  One type of URL that we use is causing problems because
>> mod_proxy is decoding an encoded comma in the URL as it proxies the
>> request to the back-end (we determined this with a packet sniffer):
>>
>> between browser and mod_proxy:
>>
>>     http://www.company.com/item-01-A1263%7E23334%2Cz831%7E238.asp
>>
>> between mod_proxy and back-end server:
>>
>>     http://www.company.com/item-01-A1263%7E23334,z831%7E238.asp
>>
>> As you can see, mod_proxy is decoding ONLY the comma (%2C), which is
>> causing our back-end server to return a 404.  Is there a workaround
>> for this in Apache?  I'm familiar with AllowEncodedSlashes (which we
>> also have set On), but it seems like there should be an
>> AllowEncodedCommas.
> 
> 
> I posted something regarding this issue on 31.08.2006 with the subject
> "mod_proxy and unwanted decoding of URLs (related to bug 15207)" but I
> got no feedback. This behaviour breaks a lot of things and it's not
> only the problem with commas but also with other chars - see my post.
> 
> 
> 
> Best regards,
> Robert
> 
> 


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