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port forwarding problem

Medium Priority
833 Views
Last Modified: 2013-12-27
hi,

I have ADSL router with public ip address, I did the port forwarding for port 80 to redirect to IIS in a web server in case client put my public ip address in his browser and its working fine.

now, the company brought another device which can be controlled and configured in a web portal,
so when I click 192.168.1.75:90 I can view the web based application for that device,
my manager asked that he wants to view this from his home, so when he just put the public ip address and port 90 he would view the web portal of that device ((98.45.x.x:90))


I did that but its not working, I couldn't view the web application of the device, but its working fine for port 80 !

((98.45.x.x:80)) is working and pointing to iis server but ((98.45.x.x:90)) is not working!


so how can I solve that?
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Commented:
To clarify, the 2nd device is listening on port 90 instead of the standard port 80?

The port forward for this device is going to the right IP? And the IP is static?

Author

Commented:
yes, I have modifies the port, it was 80 but I changed it to 90 so the ADSL router will point to that device

(I have test it on browser 192.168.1.38:90 and it works in LAN)

Commented:
In your original question you mention testing it on 192.168.1.75:90, and now you mention testing it on 192.168.1.38:90 - is the IP on this device dynamic (assigned through DHCP)? Or has it been changed by you?

For the port forward to consistently work, you want the IP to be static (unchanging) - either a static configuration on the device, or a DHCP reservation will do the trick.

Once the device has its IP statically fixed, ensure the port forward on the router points to this IP. Is this the case?

Author

Commented:
sorry, its 192.168.1.75:90, I wrote other ip in my mind by mistake, but its 192.168.1.75:90 and the 192.168.1.38:90 is written by mistake

Commented:
Does the device have any ACLs that restrict access to the web interface (e.g. local subnet only)?

Can you post a screenshot of the port forward settings on the router?

Author

Commented:
I can confirm the device ip is static (192.168.1.75:90) and the ADSL has public static ip address ((98.45.x.x:90))

but its not working
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