how to browse hackforums.net
 

[403 Forbidden Error] - You might be blocked by your IP, Country, or ISP. You can try to contact us at http://www.witza.com/contact.php.

Proxy and VPN have also had the same problem

use VPN service, should work, just tried it, a normal VPN service has many servers, maybe one or two wont work, but I got on after just the second try

Pretty funny you want to visit a hacking site, but cant get past a isp block or redirect :)