<citaat van="Brandon Seaver"> > Hello, > > I've been reading for a couple days now and my mind has gone numb. > > I'm hoping to get some help from the community, and I'm sure I'm just > overlooking something simple. My goal is to forward smtp traffic > destined for one machine to another based on source. > > I have done this: echo 1 > /proc/sys/net/ipv4/ip_forward > > I've enabled the loading of iptable_nat in the iptables config file. > > This is the base of what I'm using in my /etc/sysconfig/iptables > file. Any direction on what I'm missing would be greatly appreciated. > (rules snipped) Looks fine. Does return traffic go through the same machine? Otherwise it is never de-DNATted and you would need something like an rinetd solution. HTH, M4
