Web Api and Port Forwarding

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I have created a self hosted webapi service in a Windows Service. This means that if I want this service accessed from the outside world, I will need to implement port forwarding.

The problem I am having is the following:

I can access this service, when the windows service is running it, from a browser I can use my computer name, My computers IP address 192.168...., but if I try the port forwarding provided by our router I get the proverbial connection actively refused error. I believe the port forwarding is set up correctly and that this refusal is caused by the Web Api service and way it does not handle the port forwarding.

Posted 27-Apr-15 8:50am

Member 11193287

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ZurdoDev 27-Apr-15 15:14pm

We don't have enough info to help you. However, if you have a service that listens on port 80, for example, because it's setup in IIS, then it doesn't know anything about the port forwarding. It doesn't care how it get to port 80, just as long as it gets there. So, my guess is, something with the port forwarding is causing the issue.

Member 11193287 27-Apr-15 15:30pm

This service is using a self hosted web api service that is started up when the windows service is started. Is there any other info I can give you that will help.

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Kornfeld Eliyahu Peter · Answer 1 · 2015-04-27T10:37:00

Solution 1

In the first case you are accessing your service with IP only, but when you use port forwarding you are also use a port number - probably one that is not open...
Go and check you port forwarding from outside and the inside:
Outside: http://canyouseeme.org/[^]
Inside:: TCPView[^]

Posted 27-Apr-15 10:37am

Kornfeld Eliyahu Peter