Re: [squid-users] URL redirection

rcbandit wrote:
>
>
> Amos Jeffries-2 wrote:
>> rcbandit wrote:
>>>
>>> Amos Jeffries-2 wrote:
>>>> rcbandit wrote:
>>>>> Amos Jeffries-2 wrote:
>>>>>>> Hi,
>>>>>>> I would like to ask you is there a way to configure squid to
>>>>>>> redirect
>>>>>>> IPs.
>>>>>>> I want squid to read IP's from file saved in .TXT format saved on HDD
>>>>>>> or
>>>>>>> server on internet. And when user's IP matches with the IP from the
>>>>>>> TXT
>>>>>>> file
>>>>>>> squid redirects it to external URL hosted on remote server.
>>>>>> Umm, what exactly are you trying to do with this?
>>>>>> There are several scenarios each with different solutions possible.
>>>>>>
>>>>>> Please note the IPs do not have a 1:1 relationship with URLs so
>>>>>> rewriting
>>>>>> a URL based on it's IP is not generally possible.
>>>>>> For example, the URL http://www.google.com/ for example has several
>>>>>> hundred geo-located IPs (not all of which are visible at any time or
>>>>>> at
>>>>>> all), and each of those IPs has a few dozen domain names.
>>>>>>
>>>>>>
>>>>>>> Second question - is there a way to configure squid to read the
>>>>>>> external
>>>>>>> TXT
>>>>>>> file every 10 minutes for example so when I manually enter new IP or
>>>>>>> remove
>>>>>>> old one squid reads it and reconfigure itself.
>>>>>> No.
>>>>>> For this type of thing use an external_acl_type helper. They are
>>>>>> tested
>>>>>> live for every request with an optional caching time in seconds for
>>>>>> the
>>>>>> results.
>>>>>>
>>>>>> I'm getting a vague Idea about what you are trying to do, I don't
>>>>>> think
>>>>>> you want redirection at all. But please state what it is clearly so we
>>>>>> can
>>>>>> be of more help.
>>>>>>
>>>>>> Amos
>>>>>>
>>>>>>
>>>>>>
>>>>> I want to write a PHP billing system for ISPs and web hosting. It's a
>>>>> hobby
>>>>> project.
>>>>> My idea is to control the access to the internal servers with squid and
>>>>> PHP
>>>>> program. When the owner of the server don't pay squid blocks the
>>>>> access.
>>>>> I will write a PHP program witch will pass IPs to the squid using .TXT
>>>>> file.
>>>>> Squid reads the IPs from the file and blocks the access. So I need a
>>>>> way
>>>>> to
>>>>> force squid to read that .TXT file.
>>>> Definitely external_acl_type then.
>>>>
>>>> FWIW all the CDN providers I know of (self included) have some form of
>>>> this already existing in practice. Often more efficiently integrated
>>>> into the local authentication mechanisms than .txt method would allow
>>>> for.
>>>>
>>>> The formal Quota feature is also being worked on to integrate finer
>>>> control into later Squid releases.
>>>>
>>>> Amos
>>>> --
>>>> Please be using
>>>> Current Stable Squid 2.7.STABLE6 or 3.0.STABLE14
>>>> Current Beta Squid 3.1.0.7
>>>>
>>>>
>>> How to integrate squid's local authentication mechanisms with PHP
>>> program.
>>> Do you know how to do it?
>>>
>> Depends entirely on the local authentication mechanism. Some get plugged
>> in through the bundled helpers and policy logic written into squid.conf.
>> Others get a helper written up specially to cope with the unusual
>> environment.
>>
>> All helpers, authentication ones included can be coded up in any
>> language. Squid passes a fixed format of fields "username password" to
>> the auth helpers.
>> basic auth is "user pass"
>> digest auth is "user realm"
>> negotiate and ntlm auth take a binary blob of data base64 encoded.
>>
>> external_acl_type helper has flexible format defined by the local admin
>> or app requirements.
>>
>> There is a dummy auth helper code at:
>> http://wiki.squid-cache.org/ConfigExamples/Authenticate/LoggingOnly
>> the active code of the helper can be written up to perform any business
>> logic needed. Only the input and output formats are fixed.
>>
>> Amos
>> --
>> Please be using
>> Current Stable Squid 2.7.STABLE6 or 3.0.STABLE14
>> Current Beta Squid 3.1.0.7
>>
>>
>
> Hi,
> I have news - my friend advice me to use LDAP - PHP writes the IPs to
> LDAP and squid reads them. Is it possible to do it?
>

Thats a question between LDAP and PHP. I have no idea.

Amos

-- 
Please be using
   Current Stable Squid 2.7.STABLE6 or 3.0.STABLE14
   Current Beta Squid 3.1.0.7