Re: [squid-users] Can url_rewrite_program determine the referer?

 On Sun, 9 Oct 2011 16:07:00 -0600, dustfinger x wrote:
> On Sun, Oct 9, 2011 at 12:19 PM, Diego Woitasen
> <diego_at_woitasen.com.ar> wrote:
>> On Sun, Oct 9, 2011 at 11:10 AM, dustfinger x
>> <dustfinger_at_muddymukluk.com> wrote:
>>> Hi,
>>>
>>> The system is using Squid version 3.1.8.
>>>
>>> I have configured squid to use a url_rewrite_program that redirects
>>> users to the company portal sites under certain circumstances. The
>>> problem is that the portal sites references external content and
>>> the
>>> external content URI's are also being re_written. Is there any way
>>> for
>>> me to determine if a particular uri has a referer? It would be idea
>>> if
>>> I could determine the referer's domain name, but even just knowing
>>> if
>>> the uri request has a referer would be helpful.
>>>
>>> Sincerely,
>>>
>>> dustfinger.
>>>
>>
>> Use "acl referer_regex" and url_rewriter_access. For example:
>>
>> acl intranet_ref referer_regex *.intranet.com.*
>> url_rewriter_access deny intranet_ref
>> url_rewriter_access allow all
>>
>> Regards,
>>  Diego
>>
>>
>> --
>> Diego Woitasen
>>
>
> Hi Diego,
>
> Thank you very much for your response. The challenge that I face is
> that there will probably be a lot of referred to domains and these
> may
> potentially change over time. If it is possible to somehow determine
> the referrer from the url_rewrite_program, then that would be idea.
> Your solution is not totally out of the question, but it would be a
> maintenance issue for me.
>
> I suspect that what I want to do is simply not supported, but I did
> read one user's post that he was able to pass the referrer to the
> redirector using user variables. The poster did not detail how he
> went
> about this though.

 Sounds way too complex. You can use external ACL in url_rewrite_access
 to make the ACL checks real-time based on arbitrary data source. Usage
 the same as in http_access.

 Amos
Received on Sun Oct 09 2011 - 22:43:07 MDT