====== Сервис Captive Portal ====== * Captive Portal Using PHP and iptables Firewall on Linux ([[http://aryo.info/labs/captive-portal-using-php-and-iptables.html]]) * Using iptables and PHP to create a captive portal ([[http://www.andybev.com/index.php/Using_iptables_and_PHP_to_create_a_captive_portal]]) ===== Linux(Ubuntu) ===== root@gate:~# cat nat.sh iptables -t nat --flush iptables -t nat -A POSTROUTING -o eth1 -s 192.168.X.0/24 -j MASQUERADE iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j DNAT --to-destination 192.168.X.1 iptables -t nat -I PREROUTING -i eth0 -s 192.168.X.10 -j ACCEPT conntrack -F ===== FreeBSD ===== gate# cat /etc/pf.conf rdr on em0 proto tcp from 192.168.X/24 to any port 80 -> 127.0.0.1 port 80 nat on em1 from 192.168.X/24 to any -> 172.16.1.X ===== Apache ===== # cat index.php Address of your computer: