Cisco WAN :: Port Forwarding On 800 Router?

Aug 17, 2011

We have the following port forwards set up on a Cisco 800s router. All internal IP addresses are NATd out to the IP on fa4 which is the external interface.  Traffic recieved on fa4 is forwarded to different servers depending on the type of traffic recieved.
 
We can browse the internal websites from the internet fine, but there is one internal server 192.168.1.7 that uses a db server (192.168.1.5).. it accesses it on its external IP (fa4) on port 1433  but for some reason the connection does not work.. could this be because the source and destination IP addresses are the same IP address?
 
ip nat inside source list 1 interface FastEthernet4 overload
ip nat inside source static tcp 192.168.1.7 21 interface FastEthernet4 21
ip nat inside source static tcp 192.168.1.7 80 interface FastEthernet4 80
ip nat inside source static tcp 192.168.1.7 443 interface FastEthernet4 443
ip nat inside source static tcp 192.168.1.5 1433 interface FastEthernet4 1433
ip nat inside source static tcp 192.168.1.7 990 interface FastEthernet4 990

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[CODE]...

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