Chain PREROUTING (policy ACCEPT 645K packets, 33M bytes)
 pkts bytes target     prot opt in     out     source               destination         
    0     0 DNAT       tcp  --  ppp0   any     anywhere             anywhere            tcp dpt:9015 to:192.168.0.4:9015 
    0     0 DNAT       tcp  --  ppp0   any     anywhere             anywhere            tcp dpt:9014 to:192.168.0.4:9014 
    0     0 DNAT       tcp  --  ppp0   any     anywhere             anywhere            tcp dpt:9013 to:192.168.0.4:9013 
    0     0 DNAT       tcp  --  ppp0   any     anywhere             anywhere            tcp dpt:9012 to:192.168.0.4:9012 
    0     0 DNAT       tcp  --  ppp0   any     anywhere             anywhere            tcp dpt:9011 to:192.168.0.4:9011 
    0     0 DNAT       tcp  --  ppp0   any     anywhere             anywhere            tcp dpt:9010 to:192.168.0.4:9010 

Chain POSTROUTING (policy ACCEPT 21101 packets, 952K bytes)
 pkts bytes target     prot opt in     out     source               destination         
    0     0 MASQUERADE  all  --  any    ppp0    anywhere             anywhere            

Chain OUTPUT (policy ACCEPT 203K packets, 9176K bytes)
 pkts bytes target     prot opt in     out     source               destination