ipt_state
ip_conntrack_ftp
ipt_tcpmss
iptable_filter
ipt_REDIRECT
ipt_MASQUERADE
iptable_nat
ip_tables
devi caricare i moduli sopra poi nel server daai questi comandi

echo '0'> /proc/sys/net/ipv4/ip_forward
iptables -t nat -A POSTROUTING -o ppp0 -j MASQUERADE
iptables -I FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT
iptables -A FORWARD -s 192.168.10.0/24 -j ACCEPT
echo '1'> /proc/sys/net/ipv4/ip_forward

poi dal client prova a dare il comando

route add default gw 192.168.10.2