PHP Code: Ban Proxy Servers - Bans most (but not all) proxy servers by detecting common "FORWARD" signatures in the header.

Quick Search:


	CODE Oracle PL/SQL Code Library


	JOBS Find Or Post Oracle Jobs


	FORUM Oracle Discussion & Chat

PHP Code: Ban Proxy Servers

Jump to:

Category: >> PHP Code >> Ban Proxy Servers

<< last next >>

Snippet Name: Ban Proxy Servers

Description: Bans most (but not all) proxy servers by detecting common "FORWARD" signatures in the header.

Also see:
» Censor Message Text
» Vulnerability Tester
» Block IP Addresses
» Bad Word Filter
» Anti-Flood Protection
» Anti-SQL Injection Function
» XSS Sanitizer Function
» Filter non-alphanumeric characters

Comment: (none)

Language: PHP
Highlight Mode: PHP
Last Modified: March 16th, 2009

<?PHP
 
IF(ISSET($_SERVER['HTTP_X_FORWARDED_FOR']) || ($_SERVER['HTTP_USER_AGENT']=='') || ($_SERVER['HTTP_VIA']!='')){
        DIE("Proxy servers not allowed.");
}
 
$proxy_headers = ARRAY(   
     'HTTP_VIA',   
     'HTTP_X_FORWARDED_FOR',   
     'HTTP_FORWARDED_FOR',   
     'HTTP_X_FORWARDED',   
     'HTTP_FORWARDED',   
     'HTTP_CLIENT_IP',   
     'HTTP_FORWARDED_FOR_IP',   
     'VIA',   
     'X_FORWARDED_FOR',   
     'FORWARDED_FOR',   
     'X_FORWARDED',   
     'FORWARDED',   
     'CLIENT_IP',   
     'FORWARDED_FOR_IP',   
     'HTTP_PROXY_CONNECTION'   
        );
FOREACH($proxy_headers AS $x){
     IF (ISSET($_SERVER[$x])) DIE("You are using a proxy.");
        EXIT;
}
 
?>

Free
Oracle Magazine
Subscriptions
and Oracle White Papers

SQL University.net courses meet the most demanding needs of the business world for advanced education in a cost-effective manner. SQL University.net courses are available immediately for IT professionals and can be taken without disruption of your workplace schedule or processes.

Compared to traditional travel-based training, SQL University.net saves time and valuable corporate resources, allowing companies to do more with less. That's our mission, and that's what we deliver.

Click here to find out more

Home : Code Library : Sponsors : Privacy : Terms of Use : Contact Us

PSOUG LOGIN
Username:
Password: