root@localhost:/home/biochemistry# iptables-save 

# Generated by iptables-save v1.4.21 on Sat Jun 16 11:11:57 2018

*filter
:INPUT ACCEPT [815845:715169366]
:FORWARD ACCEPT [451:141238]
:OUTPUT ACCEPT [491735:668005640]
COMMIT
# Completed on Sat Jun 16 11:11:57 2018
# Generated by iptables-save v1.4.21 on Sat Jun 16 11:11:57 2018
*nat
:PREROUTING ACCEPT [64566:15876100]
:INPUT ACCEPT [8540:1091451]
:OUTPUT ACCEPT [5030:315868]
:POSTROUTING ACCEPT [4899:308719]
-A PREROUTING -i eth1 -p tcp -m tcp --dport 12350 -j DNAT --to-destination 12.207.3.240:80
-A POSTROUTING -o eth0 -j MASQUERADE
COMMIT
# Completed on Sat Jun 16 11:11:57 2018