[ciapug] php SuperGlobals issue

[Chris Van Cleve]

It is, indeed, on an XServe G5. Why would that make a difference?  
(Asking because I'm curious) BTW - Setting all subdomains in DNS to  
point to the 1st NIC also makes the $_SERVER['REMOTE_ADDR'] code work  
as well.

Chris VC

On Mar 7, 2006, at 1:41 PM, Ron Mutchler, ZCE wrote:

> This isn't by chance a Mac OS X Server is it??  If it is, that would
> explain the oddity very much.  I was assuming Apache on a *nix flavor.
>
> On 3/7/06, vanish at dreamscapevisionery.com
> <vanish at dreamscapevisionery.com> wrote:
>> The following worked, and is secure enough for our environment:
>>
>>       // Getting headers sent by the client.
>>       $headers = apache_request_headers();
>>
>>       // Checking if the client is validating his cache and if it  
>> is current.
>>       $sec_ip = $headers['PC-Remote-Addr'];
>>
>> Chris VC
>>
>> Quoting vanish at dreamscapevisionery.com:
>>
>>> Ready for things to get stranger?
>>>
>>> SO this server has two NICs with two IPs, one assigned to each NIC.
>>> In the vhost
>>> setup, the first IP is assigned to the production site. The  
>>> second IP has two
>>> vhosts. I'm working on a site on one of these vhosts. In the
>>> phpinfo() output,
>>> it shows the REMOTE_ADDR as the 2nd NIC (where the site is pushed
>>> through) yet
>>> the SERVER_ADDR is the 1st NIC, which shouldn't even be an issue  
>>> as I'm not
>>> going to the site pushed on that IP.
>>>
>>> The good news though is it also shows a PC-Remote-Addr which does,
>>> indeed, show
>>> my IP instead of the servers. I hope I can get to that through  
>>> getenv()
>>>
>>> Chris VC
>>>
>>> Quoting Tony Bibbs <tony at tonybibbs.com>:
>>>
>>>> I haven't researched as to why this is but I've noticed that the
>>>> available supergloabls be different on different setups.  I've
>>>> particularly noticed this when developing code that needs to run on
>>>> both *nix and Winders.  I've even seen difference between two
>>>> different Winders boxes.  I'm sure this is explained on php.net
>>>> somewhere but my experience is that if you depend on a superglobal
>>>> being set you need to rely on the phpinfo() output.
>>>>
>>>> --Tony
>>>>
>>>> vanish at dreamscapevisionery.com wrote:
>>>>> phpinfo() shows the server ip address under REMOTE_ADDR. I am  
>>>>> hosting the
>>>>> server, and this code had worked previously, however during
>>>>> construction the
>>>>> HDDs were popped out while live and the server had to be rebuilt.
>>>>> It has not
>>>>> worked since.
>>>>>
>>>>> Is there some system level or apache level setting I'm missing  
>>>>> that
>>>>> allows this
>>>>> to function properly?
>>>>>
>>>>> Chris VC
>>>>>
>>>>> Quoting "Ron Mutchler, ZCE" <qsecofr at gmail.com>:
>>>>>
>>>>>> I've used REMOTE_ADDR in my scripts before without seeing what  
>>>>>> you are
>>>>>> explaining.
>>>>>>
>>>>>>     function get_ipaddy() {
>>>>>>         $ipaddy = getenv ("REMOTE_ADDR");
>>>>>>         return $ipaddy;
>>>>>>     }
>>>>>>
>>>>>> Have you tried looking at phpinfo to see what it says?
>>>>>>
>>>>>> If you are hosting with a company, they could have configured  
>>>>>> it not
>>>>>> to return that particular variable.  I have a host that  
>>>>>> refuses to
>>>>>> return PATH_INFO.  I ended up having to look at ORIG_PATH_INFO  
>>>>>> in that
>>>>>> case.
>>>>>>
>>>>>>
>>>>>> On 3/7/06, vanish at dreamscapevisionery.com
>>>>>> <vanish at dreamscapevisionery.com> wrote:
>>>>>>> I'm hoping someone out there can figure out how I've screwed  
>>>>>>> this up...
>>>>>>>
>>>>>>> In an include file, I have the following code:
>>>>>>>
>>>>>>> $sec_ip = $_SERVER['REMOTE_ADDR'];
>>>>>>>
>>>>>>> Which should set the variable to the IP address of the visitor's
>>>>>>> PC. In my
>>>>>>> setup, however, it displays the server's IP instead. I tried
>>>>>>> replacing that
>>>>>>> with:
>>>>>>>
>>>>>>> $sec_ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
>>>>>>>
>>>>>>> to see if the problem was a proxy issue, but alas no ip is  
>>>>>>> shown.
>>>>>>> (Yes, I tried
>>>>>>> the getenv method as well and the $ENV method also. All return
>>>>>>> the same result)
>>>>>>>
>>>>>>> Setting the variable form the original code page has the same
>>>>>>> effect so it's not
>>>>>>> some funky problem caused by being in an include file.
>>>>>>>
>>>>>>> Any ideas? Anyone? Bueller? Bueller?
>>>>>>>
>>>>>>> Chris VC
>>>>>>> _______________________________________________
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>>>>>>> ciapug at cialug.org
>>>>>>> http://cialug.org/mailman/listinfo/ciapug
>>>>>>>
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