echo "1" > /proc/sys/net/ipv4/ip_forward
iptables -t nat -A POSTROUTING -s 192.168.40.0/24 -o eth0 -j MASQUERADE
iptables -t nat -A PREROUTING -i eth1 -p tcp --dport 80 -j REDIRECT --to-port 3128
iptables -A FORWARD -o eth1 -i eth0 -d 192.168.40.0/24 -p tcp --sport 143 -j ACCEPT
iptables -A FORWARD -i eth1 -o eth0 -s 192.168.40.0/24 -p tcp --dport 143 -j ACCEPT
iptables -A FORWARD -i eth1 -o eth0 -s 192.168.40.0/24 -p tcp --dport 110 -j ACCEPT
iptables -A FORWARD -o eth1 -i eth0 -d 192.168.40.0/24 -p tcp --sport 110 -j ACCEPT
iptables -A FORWARD -i eth1 -o eth0 -s 192.168.40.0/24 -p tcp --dport 25 -j ACCEPT
iptables -A FORWARD -o eth1 -i eth0 -d 192.168.40.0/24 -p tcp --sport 25 -j ACCEPT
iptables -A FORWARD -s 192.168.40.0/24 -i eth1 -p tcp --dport 80 -j ACCEPT
iptables -A FORWARD -s 192.168.40.0/24 -i eth1 -p tcp --dport 443 -j ACCEPT
iptables -A FORWARD -s 192.168.40.0/24 -i eth1 -p tcp --dport 53 -j ACCEPT
iptables -A FORWARD -s 192.168.40.0/24 -i eth1 -p udp --dport 53 -j ACCEPT
iptables -A FORWARD -s 192.168.40.2 -i eth1 -j ACCEPT iptables -A FORWARD -s 192.168.40.3 -i eth1 -j ACCEPT iptables -A FORWARD -s 192.168.40.4 -i eth1 -j ACCEPT
iptables -A FORWARD -s 192.168.40.0/24 -i eth1 -j DROP
Saludos,
.''`. Kenny De la Cruz R. : :' : .`'` `- Debian GNU/Linux (SARGE)
Utilizando Debian GNU/Linux. �Por qu� no te animas a probarlo?
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