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Posted by Jochem Maas on 08/05/05 01:39
Dotan Cohen wrote:
> I creating a out.php file that will record clicks, and the redirect
> the user to the site that he wanted. I am currently using
> header("Location: $url"); which works as expected. The only problem
> is, that the browser does not send $HTTP_REFERER info to the recieving
> site.
>
> However, that particular site is also linking to me via a out.php
> file, and the browser DOES set $HTTP_REFERER on my site. So I've been
> googleing for two days, and came up with this: There is a site that
> displays the server reesponse of any server. So I put both of our
> out.php files to the test. First, his server response:
> HTTP/1.1 302 Found
> Connection: close
> Date: Thu, 04 Aug 2005 15:19:01 GMT
> Location: http://lyricslist.com
> Server: Apache/2.0.50 (FreeBSD) PHP/5.0.0
> Vary: Accept-Encoding
> Content-Length: 0
> Content-Type: text/html; charset=ISO-8859-1
> Client-Date: Thu, 04 Aug 2005 15:32:32 GMT
> Client-Response-Num: 1
> X-Powered-By: PHP/5.0.0
he runs php5, you run php4 - is the following set on his server perchance?:
echo $_SERVER['HTTP_REFERER'];
//or
echo getenv("HTTP_REFERER");
note that $HTTP_REFERER is depreciated in php5.
also the freeBSD box may have a firewall that is stripping the referer header
- freeBSD is the paranoid man's *nix of choice after all - at least all the
security freaks I know prefer it.
actually I did a bit of googling and there is a slim possiblity that the
firewall software on your PC is munging the referer header - try turning it off
also proxy servers may be stripping the header.
>
> This redirects to lyricslist.com and correctly sets the $HTTP_REFERER
> variable. Now, my server response:
> HTTP/1.1 302 Found
> Connection: close
> Date: Thu, 04 Aug 2005 15:39:25 GMT
> Location: http://lyricslist.com
> Server: Apache/1.3.33 (Unix) mod_auth_passthrough/1.8
> mod_log_bytes/1.2 mod_bwlimited/1.4 PHP/4.3.11 FrontPage/5.0.2.2635
> mod_ssl/2.8.22 OpenSSL/0.9.7a
> Vary: Accept-Encoding
> Content-Length: 0
> Content-Type: text/html; charset=ISO-8859-1
> Client-Date: Thu, 04 Aug 2005 15:39:29 GMT
> Client-Response-Num: 1
> X-Powered-By: PHP/4.3.11
>
> This just does not set the $HTTP_REFERER variable! The referer
> variable is even set to the original page that linked to out.php, and
> not out.php itself! I have tried in IE 6.x, Firefox 1.0.6, Pheonix 0.7
> (remember that!), and Opera 8.0. What could be the difference?
>
> Thanks to all who rack thier brains on this one! It's been a fruitless
> two days for me...
>
> Dotan Cohen
> http://lyricslist.com/lyrics/artist_albums/118/chumbawamba.php
> Chumbawamba Song Lyrics
>
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