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Old version trouble with $_SERVER variables?

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  Old version trouble with $_SERVER variables? C <wrong.address.1@gmail.com> - 2012-12-10 11:05 -0800
    Re: Old version trouble with $_SERVER variables? Salvatore <sal@yojimbo.hack.invalid> - 2012-12-10 20:37 +0000
      Re: Old version trouble with $_SERVER variables? The Natural Philosopher <tnp@invalid.invalid> - 2012-12-10 21:03 +0000
    Re: Old version trouble with $_SERVER variables? "M. Strobel" <sorry_no_mail_here@nowhere.dee> - 2012-12-10 21:55 +0100
    Re: Old version trouble with $_SERVER variables? Gregor Kofler <usenet@gregorkofler.com> - 2012-12-11 00:41 +0100

#7757 — Old version trouble with $_SERVER variables?

What is causing the $host, $realhost and $referer variables to be
blank?

<?php

global $host;

$date = date("F jS Y, h:iA");

$host=@gethostbyaddr($_SERVER['REMOTE_ADDR']);

if ($HTTP_SERVER_VARS["HTTP_X_FORWARDED_FOR"] != "")
   {$realhost =
@gethostbyaddr($HTTP_SERVER_VARS["HTTP_X_FORWARDED_FOR"]);}

$referer = $_SERVER['$HTTP_REFERER'];

mail("my.address@whatever", "visitor information", "$host at $date
from
$referer.
Forwarded for $realhost");


?>

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#7758

On 2012-12-10, C <wrong.address.1@gmail.com> wrote:
> What is causing the $host, $realhost and $referer variables to be
> blank?

It's possible that the gethostbyaddr() function is failing and no referrer
is sent.

-- 
Blah blah bleh...
GCS/CM d(-)@>-- s+:- !a C++$ UBL++++$ L+$ W+++$ w M++ Y++ b++

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#7760

On 10/12/12 20:37, Salvatore wrote:
> On 2012-12-10, C <wrong.address.1@gmail.com> wrote:
>> What is causing the $host, $realhost and $referer variables to be
>> blank?
>
> It's possible that the gethostbyaddr() function is failing and no referrer
> is sent.
>
If it is happening across all browsers its more likely that the web 
server is failing to invoke PHP with the correct arguments set so that 
COULD be a server configuration problem.

I don't know how the linkage is achieved though, so that's the limit of 
my Thought.


-- 
Ineptocracy

(in-ep-toc’-ra-cy) – a system of government where the least capable to 
lead are elected by the least capable of producing, and where the 
members of society least likely to sustain themselves or succeed, are 
rewarded with goods and services paid for by the confiscated wealth of a 
diminishing number of producers.

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#7759

Am 10.12.2012 20:05, schrieb C:
> What is causing the $host, $realhost and $referer variables to be
> blank?
> 
> <?php
> 
> global $host;
> 
> $date = date("F jS Y, h:iA");
> 
> $host=@gethostbyaddr($_SERVER['REMOTE_ADDR']);

You should not suppress error messages when you are trying to find an error.

/Str.

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#7761

Am 2012-12-10 20:05, C meinte:
> What is causing the $host, $realhost and $referer variables to be
> blank?
>
> <?php
>
> global $host;
>
> $date = date("F jS Y, h:iA");
>
> $host=@gethostbyaddr($_SERVER['REMOTE_ADDR']);
>
> if ($HTTP_SERVER_VARS["HTTP_X_FORWARDED_FOR"] != "")
>     {$realhost =
> @gethostbyaddr($HTTP_SERVER_VARS["HTTP_X_FORWARDED_FOR"]);}

$HTTP_SERVER_VARS has been deprecated since ages.

> $referer = $_SERVER['$HTTP_REFERER'];

Shouldn't that be $_SERVER['HTTP_REFERER']?
If gethostbyaddr() was coded with the same rigor, it's highly plausible 
that the other variables are "empty", too. Which they aren't. Turn on 
your error reporting and fix your bugs.

Gregor

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