D-Link VPN Router > DSR-250N

Dsr-250n port forwarding problem


Hi all,

I hope you can give a hand here, I have configured a dsr-250n with 3 vlan correctly.

The default vlan 1 have cctv recorder connected that needs port 12345 open for external access.

I have created "CUSTOM SERVICE" with tcp/udp protocol and port 12345. Next, I added the firewall rule, wan -》vlan1 to recorder ip. I service field i choose the new one created for recorder but does not work.

Open port test of 12345 is "CLOSED" , if i put in the firewall rule service "ANY" port 12345 is open...

what doing i wrong? i would want only open 12345 port and using any service i am opening any port used for the recorded...

can you help me, please?


p.s: sorry for my english.


* What Hardware version is your router? Look at sticker under the router case.
* Link>What Firmware version is currently loaded? Found on the routers web page under status.
* What region are you located?

Internet Service Provider and Modem Configurations

* What ISP Service do you have? Cable or DSL?
* What ISP Modem Mfr. and model # do you have?
Be sure you have any uPnP features disabled for Port Forwarding configurations.
Be sure you are actively using the port before checking the port status.


I’m not in from of the device, i dont know hw versión.

The firmware i think is 2.x what is current version?

Im in Spain using ONT to convert Isp fiber connection to ethernet.

Upnp disabled and the port is enable and listening because if i put any service on the firewall rule I can acceso from internet, for security i want only open port 12345


I recommend that you phone contact your regional D-Link support office and ask for help and information regarding this.
Link> Tech Support Contact Information
We find that phone contact has better immediate results over using email.


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