yo use los modulos de pom (patch o matic) que estan en netfilter.org pareciera ser que andan. suerte On Tue, 2003-05-13 at 13:53, Carlos Ble wrote: > El Martes, 13 de Mayo de 2003 15:04, Pedro C. Arias escribió: > > Hello, I use NAT to connect internet my internal network trougth a Firewall > > make with iptables, i use NAT, but when somebody external to my network > > send me a file messenger say "Error to receive File ...." somebody has this > > problem ?, with netmeteeng too can't connect > > > > Help me ... > > > > Thanks > > Pedro > > Rosario - argentina > > Hi Pedro. I think that we both can talk in spanish but let me write in > english to let people to correct to me if im wrong. > There are some problems with microsoft pptp that maybe corrected with > the linux pptp. Loock for it in google. > For netmeeting and messenger you must open some ports. One solution is > to do DNAT to a specified internal address. This is a example: > > # Neetmeeting ports: > iptables -t nat -A PREROUTING -p tcp --dport 389 -i <interface> -j DNAT \ > --to 192.168.0.20 > iptables -t nat -A PREROUTING -p tcp --dport 522 -i <interface> -j DNAT \ > --to 192.168.0.20 > iptables -t nat -A PREROUTING -p tcp --dport 1503 -i <interface> -j DNAT \ > --to 192.168.0.20 > iptables -t nat -A PREROUTING -p tcp --dport 1720 -i <interface> -j DNAT \ > --to 192.168.0.20 > iptables -t nat -A PREROUTING -p tcp --dport 1731 -i <interface> -j DNAT \ > --to 192.168.0.20 > > # Messenger ports: > iptables -t nat -A PREROUTING -p tcp --dport xxxxx -i <interface> -j DNAT \ > --to 192.168.0.20 > > This corrects the problem for one user but the problem still when many > users wants to use netmeeting. Nowdays im loocking for a solution too. > > Suerte.
