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From Pid...@pidster.com>
Subject Re: [users@httpd] RE: /my.html#mySection
Date Tue, 20 Jun 2006 08:57:04 GMT


Boyle Owen wrote:
>> -----Original Message-----
>> From: news [mailto:news@sea.gmane.org] On Behalf Of Mike - 
>> EMAIL IGNORED
>> Sent: Monday, June 19, 2006 6:21 PM
>> To: users@httpd.apache.org
>> Subject: [users@httpd] RE: /my.html#mySection
>> Linux mbrc20 2.6.14-1.1656_FC4 #1 Thu Jan 5 22:13:22
>>    EST 2006 i686 i686 i386 GNU/Linux
>>
>> Here is a (slightly edited with XXX YYY ZZZ) log line
>> from httpd-2.0.54-10.3 :
>>
>>    64.233.173.67 - - [18/Jun/2006:14:03:11 -0400]
>>       "GET /XXX/XXX/YYY.html#ZZZ
>>       HTTP/1.1" 403 - "http://www.XXX.net/religion/XXX/XXX/YYY.html"
>>       "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1
>>       .NET CLR 1.1.4322)"
> 
> Aha! now I get it - you're worried that the "#ZZZ" is some kind of hack?
> 
> Er... no. It is simply a request to a particular "anchor" inside the page /XXX/XXX/YYY.html.
This is typically what you do when you are linking to a subsection in a large page. For example,
http://httpd.apache.org/docs/2.2/mod/core.html#directory takes you straight to the "directory"
section in the "core.html" page. 

The # bit is called the 'fragment'.
Just remove the fragment from the URL, before you process the remainder.
 If you're not performing a redirect and are returning HTML then the
client can select the anchor as needed.

> In any case, the link is on your page /religion/XXX/XXX/YYY.html (i.e. since there's
a referer on the log line, the client must have clicked on a link in that page - he didn't
type in the URL).

It's worth noting that you can't always rely on the client correctly
sending the referer, in order to determine if they've clicked a link.
Some Norton programs are notorious for mangling the request by removing
referer headers amongst other things.

> As for the 403 response - that implies that the resource /XXX/XXX/YYY.html is under a
"Deny" directive or the file is not readable by apache.
> 
> Rgds,
> Owen Boyle
> Disclaimer: Any disclaimer attached to this message may be ignored. 
> 
> 
>> As you can see, good practice notwithstanding, there is a #YYY
>> in the GET.  I have confirmed this by examining the incoming
>> packet captured with tethereal (ethereal-0.10.13-1.FC4.2) .
>>
>> Now the #ZZZ is legitimate in the sense that my YYY.html does
>> contain that hypertext. However, in my experience, browsers do
>> not normally send the #ZZZ, as explained above.  
>>
>> My question is "how should I respond to it?"  Here are choices:
>>
>>    1. Send 403 (Forbidden), which is what I do now.
>>    2. Strip the #ZZZ in my CGI and YYY.html normally.
>>    3. Something else I didn't think of.
>>
>> Additionally, I wonder why the #ZZZ appeared in the first place.
>>
>> Thanks for your interest in this.
>> Mike.
>>
>>
>>
>>
>>
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