Linkstation Quad web access won't work from outside home

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I have Linkstation Quad everything is working fine the only problem

 

Is I can't access my hard from outside. I can access my hard from my home network (192.168.1.3:9000)

 

When I try from outside the address is ( MY WAN IP:9000 )

 

port is working I check it canyouseeme.org

 

Success: I can see your service on xx.xx.xx.xx on port (9000)
Your ISP is not blocking port 9000

 

MY Details

 

- Linkstation Quad 4TB

- FW 1.11

- Linkstation IP 192.168.1.3

- Router Model: Linksys WAG200G with last update FW

- DNS Server IP 192.168.1.1

 

I bought it because of this feature so please advise me

[Cador]

   

I found the problem :smileywink:

 

when I try to access my LS through buffalonas.com its give wrong IP

 

but if I put my real IP+9000 it will work

 

So the Q how can I make buffalonas.com give my my real ip ?