Caros,
Abaixo segue o meu script de nat/firewall, eu consigo pigar tudo por ip mas por url nao. nao navego
Queria saber de voces aonde que tá o erro ou se falta cadastrar alguma porta no INPUT ou FORWARD
#
echo 1 > /proc/sys/net/ipv4/ip_forward
modprobe iptable_nat
insmod ip_nat_ftp
insmod ip_conntrack_ftp
insmod ip_conntrack
iptables -F
iptables -t nat -F
iptables -P INPUT DROP
iptables -P FORWARD DROP
iptables -P OUTPUT ACCEPT
iptables -A FORWARD -s 192.168.1.0/24 -j ACCEPT
iptables -A FORWARD -p icmp -j ACCEPT
iptables -A FORWARD -p tcp --dport 21 -j ACCEPT
iptables -A FORWARD -p udp --dport 21 -j ACCEPT
iptables -A FORWARD -p tcp --dport 25 -j ACCEPT
iptables -A FORWARD -p udp --dport 25 -j ACCEPT
iptables -A FORWARD -p tcp --dport 80 -j ACCEPT
iptables -A FORWARD -p udp --dport 80 -j ACCEPT
iptables -A FORWARD -p tcp --dport 110 -j ACCEPT
iptables -A FORWARD -p tcp --dport 110 -j ACCEPT
iptables -A FORWARD -p tcp --dport 3128 -j ACCEPT
iptables -A FORWARD -p udp --dport 3128 -j ACCEPT
iptables -A INPUT -m state --state INVALID -j DROP
iptables -A INPUT -s 127.0.0.1/255.255.255.0 -j ACCEPT
iptables -A INPUT -p tcp --dport 21 -j ACCEPT
iptables -A INPUT -p udp --dport 21 -j ACCEPT
iptables -A INPUT -p tcp --dport 25 -j ACCEPT
iptables -A INPUT -p udp --dport 25 -j ACCEPT
iptables -A INPUT -p tcp --dport 80 -j ACCEPT
iptables -A INPUT -p udp --dport 80 -j ACCEPT
iptables -A INPUT -p tcp --dport 110 -j ACCEPT
iptables -A INPUT -p udp --dport 110 -j ACCEPT
iptables -A INPUT -p tcp --dport 3128 -j ACCEPT
iptables -A INPUT -p udp --dport 3128 -j ACCEPT
iptables -t nat -A POSTROUTING -s 192.168.1.0/24 -o ppp0 -j MASQUERADE