mail ~ # route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 83.103.224.0 0.0.0.0 255.255.240.0 U 0 0 0 eth0 10.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 eth1 127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo 0.0.0.0 83.103.224.1 0.0.0.0 UG 1 0 0 eth0 mail ~ # arp -an ? (10.4.10.1) at 00:12:F0:43:25:68 [ether] on eth1 ? (10.127.255.37) at 00:17:31:5C:CD:03 [ether] on eth1 ? (10.10.10.19) at 00:04:76:A2:8F:E4 [ether] on eth1 ? (10.10.10.15) at 00:0B:6A:CC:84:0A [ether] on eth1 ? (10.11.12.13) at 00:16:17:D7:60:76 [ether] on eth1 ? (10.10.10.28) at 00:17:31:5C:CC:10 [ether] on eth1 ? (83.103.224.1) at 00:05:31:F8:F5:4B [ether] on eth0 ? (10.0.0.1) at 00:14:2A:DE:33:AF [ether] on eth1 ? (10.10.10.89) at 00:14:2A:4D:28:E4 [ether] on eth1 ? (10.10.10.55) at 00:13:D3:D3:B1:79 [ether] on eth1 ? (10.10.10.22) at 00:E0:4C:FB:B1:33 [ether] on eth1 ? (10.10.10.31) at 00:17:31:5C:CD:32 [ether] on eth1 ? (10.10.10.34) at 00:17:31:5C:CB:CE [ether] on eth1 ? (10.10.10.26) at 00:17:31:5C:CB:3A [ether] on eth1 mail ~ # iptables -L -n -t nat Chain PREROUTING (policy ACCEPT) target prot opt source destination DNAT tcp -- 0.0.0.0/0 83.103.235.216 tcp dpt:444 to:10.0.0.1:443 DNAT tcp -- 0.0.0.0/0 83.103.235.216 tcp dpt:38436 to:10.11.12.13:3389 DNAT tcp -- 0.0.0.0/0 83.103.235.216 tcp dpt:38437 to:10.11.12.14:3389 Chain POSTROUTING (policy ACCEPT) target prot opt source destination SNAT all -- 10.0.0.0/9 0.0.0.0/0 to:83.103.235.216 Chain OUTPUT (policy ACCEPT) target prot opt source destination