On Mar 1 2007 15:41, Brandon Seaver wrote: > > 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. > > *filter > : INPUT ACCEPT [0:0] > : FORWARD ACCEPT [0:0] > : OUTPUT ACCEPT [52442:19228811] > COMMIT > *mangle > : PREROUTING ACCEPT [60986:54771131] > : INPUT ACCEPT [60982:54770891] > : FORWARD ACCEPT [0:0] > : OUTPUT ACCEPT [52445:19228943] > : POSTROUTING ACCEPT [52445:19228943] > COMMIT > *nat > :PREROUTING ACCEPT [1581:83538] > -A PREROUTING -s xxx.xxx.66.0/24 -i eth0 -p tcp -d xxx.xxx.64.3 --dport 25 -j > DNAT --to-destination xxx.xxx.65.15:25 > : POSTROUTING ACCEPT [74:4438] > : OUTPUT ACCEPT [525:34512] > COMMIT Please show us the output of `ip a` and `ip r`. Jan --
