File send problem with iptables/nat
hello, I have a lan with an iptables/nat
users can download/upload/ftp/smtp/chat, ..
they can use yahoo messenger as well, they also can recieve files from other ymess users
but they can not send any files!
can u help me?
here is my script:
# Set default policies
$IPTABLES -P INPUT ACCEPT
$IPTABLES -P OUTPUT ACCEPT
$IPTABLES -P FORWARD ACCEPT
# Accept the packets we actually want to forward
$IPTABLES -A FORWARD -i $LAN_IFACE -j ACCEPT
$IPTABLES -A FORWARD -m state --state ESTABLISHED,RELATED -j ACCEPT
# Enable simple IP Forwarding and Network Address Translation
$IPTABLES -t nat -A POSTROUTING -o $INET_IFACE -j SNAT --to-source $INET_IP