Scenario / Question:

How do I port forward port 2202 to port 22 on 192.168.0.1 server with Vyatta.

Solution / Answer:

Configure DNAT rules with port destination and firewall destination rules

NAT RULES

set service nat rule 600 type destination
set service nat rule 600 protocol tcp
set service nat rule 600 inside-address port 22
set service nat rule 600 inside-address address 192.168.0.1
set service nat rule 600 inbound-interface eth0
set service nat rule 600 destination port 2202
commit

save

Firewall Rules

set firewall name eth0in rule 600 action accept
set firewall name eth0in rule 600 protocol tcp
set firewall name eth0in rule 600 destination address 192.168.0.1
set firewall name eth0in rule 600 destination port 22
set firewall name eth0in rule 600 state new enable
set firewall name eth0in rule 600 state established enable
set firewall name eth0in rule 600 state related enable

set interfaces ethernet eth0 frewall in name eth0in  (if not already set, configure a name for "eth0 firewall in" to eth0in )

commit

save