*nat
:PREROUTING ACCEPT [7281:438725]
:POSTROUTING ACCEPT [1652:103194]
:OUTPUT ACCEPT [1652:103194]
-A PREROUTING -d 80.80.80.80/32 -p tcp -m tcp --dport 80 -j DNAT --to-destination :3000 
-A OUTPUT -o lo -p tcp -m tcp --dport 80 -j REDIRECT --to-ports 3000
COMMIT
*filter
:INPUT ACCEPT [184:13033]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [46937:6349034]
-A INPUT -d 80.80.80.80/32 -m state --state NEW -p tcp --dport 3000 -j ACCEPT 
-A INPUT -j DROP
-A FORWARD -j DROP
COMMIT