vsrv01:/etc/scripts# iptables-save
# Generated by iptables-save v1.4.2 on Wed May 18 21:24:53 2011
*mangle
:PREROUTING ACCEPT [20633465:8978575665]
:INPUT ACCEPT [18296955:7348069607]
:FORWARD ACCEPT [2336510:1630506058]
:OUTPUT ACCEPT [19254061:8946643115]
:POSTROUTING ACCEPT [21590560:10577147719]
COMMIT
# Completed on Wed May 18 21:24:53 2011
# Generated by iptables-save v1.4.2 on Wed May 18 21:24:53 2011
*filter
:INPUT ACCEPT [18296955:7348069607]
:FORWARD ACCEPT [2336507:1630505914]
:OUTPUT ACCEPT [19254052:8946642021]
-A FORWARD -d 172.16.99.10/32 -p tcp -m state --state NEW,RELATED,ESTABLISHED -m tcp --dport 25 -j ACCEPT
COMMIT
# Completed on Wed May 18 21:24:53 2011
# Generated by iptables-save v1.4.2 on Wed May 18 21:24:53 2011
*nat
:PREROUTING ACCEPT [403382:24063002]
:POSTROUTING ACCEPT [4213330:345201897]
:OUTPUT ACCEPT [4210020:345002586]
-A PREROUTING -p tcp -m tcp --dport 25 -j DNAT --to-destination 172.16.99.10
COMMIT
# Completed on Wed May 18 21:24:53 2011