Has anybody done this or ran into this? > -----Original Message----- > From: Christopher Lyon > Sent: Thursday, February 20, 2003 9:27 PM > To: netfilter@lists.netfilter.org > Subject: Issues with NAT from the ipsec0 interface > > I am trying to perform NAT using iptables 1.2.7a on packets coming from > the ipsec0 interface. > > Here is the config of the host in question > > eth0 - x.x.x.x (public) > eth1 - 172.16.124.10 > ipsec0 (FreeS/WAN) > > Here is the original Packet (Sniffed on ipsec0) > SRC DEST > 192.168.254.100 - 1.2.124.10 > > > SRC DEST > 192.168.254.100 - 172.16.124.10 > > The translation I would image would need to take place before routing > since 1.2.124.0 doesn't live on this box so I would guess the command > would be something like this: > > # iptables -t nat -A PREROUTING -s 1.2.124.10 -i ipsec0 -j DNAT --to > 172.16.124.10 > > I can't seem to get this to work? I am missing something. I have tried > many combinations of commands but I think the command above should do > it. Any suggestions? > > > > > Here is a netstat -rn from the host in question > Destination Gateway Genmask Flags MSS Window irtt > Iface > x.x.x.x 0.0.0.0 255.255.255.192 U 40 0 0 > eth0 > x.x.x.x 0.0.0.0 255.255.255.192 U 40 0 0 > ipsec0 > 172.16.124.0 0.0.0.0 255.255.255.0 U 40 0 0 > eth1 > 192.168.254.0 66.167.5.126 255.255.255.0 UG 40 0 0 > ipsec0 > 127.0.0.0 0.0.0.0 255.0.0.0 U 40 0 0 > lo > 0.0.0.0 66.167.5.126 0.0.0.0 UG 40 0 0 > eth0 > > > >