Error: connect ECONNREFUSED

[czupet]

When I run the reverse-proxy from Visual Studio and then use Postman to POST http://localhost:5000/wsirates
everything works. But when I deploy the same app to the IIS server
and POST http://testserver:5000/wsirates
I get Error: connect ECONNREFUSED 10.200.8.152:5000
port 5000 is open on the firewall.

What I am doing wrong? (I am a newbie to this kind of stuff)

Here's my appsettings.json

{
  "Logging": {
    "LogLevel": {
      "Default": "Information",
      "Microsoft": "Warning",
      "Microsoft.Hosting.Lifetime": "Information"
    }
  },
  "AllowedHosts": "*",
  "ReverseProxy": {
    "Routes": [
      {
        "RouteId": "app2",
        "ClusterId": "cluster1",
        "Match": {
          "Methods": [ "GET", "POST" ],
          "Hosts": [ "localhost" ],
          "Path": "/wsirates/"
        }
      },

      {
        "RouteId": "route2",
        "ClusterId": "cluster2",
        "Match": {
          "Hosts": [ "localhost" ]

        }
      }
    ],
    "Clusters": {
      "cluster1": {
        "LoadBalancing": {
          "Mode": "Random"
        },
        "Destinations": {
          "cluster1_destination1": {
            "Address": "http://testserver/Test/api/rates/"
          },
          "cluster1_destination2": {
            "Address": "http://testserver/Test/api/rates/"
          }
        }
      },
      "cluster2": {
        "Destinations": {
          "cluster2_destination1": {
            "Address": "http://testserver/Test/api/rates/"
          }
        }
      }
    }
  }
}

[Tratcher]

What site binding do you have set up in IIS? http://testserver:5000/? I'd expect IIS to be listening on port 80 rather than 5000.

[czupet]

IIS is at the default setup
http: All Unassigned 80

[Tratcher]

Then why post to POST http://testserver:5000/wsirates instead of POST http://testserver/wsirates?

[czupet]

One reason is because I am a (newbie at this) I have a lot of programming experience, but not with poxy or reverse proxy. So I am kind of walking in a room at night with no lights on sort of speak, but we have to start someplace and this is my starting place.
The second reason is because POST http://testserver/wsirates returns 404.

This is how I understand this (oversimplified of course). A program makes a POST call to http://testserver/wsirates with some data and the reverse-proxy should receive this call and forward this call with data to some other website defined in the appsettings.json file

[Tratcher]

All, I see your issue.

      {
        "RouteId": "app2",
        "ClusterId": "cluster1",
        "Match": {
          "Methods": [ "GET", "POST" ],
          "Hosts": [ "localhost" ],
          "Path": "/wsirates/"
        }
      },

Remove the Hosts line, it's only matching requests to localhost, not to testserver. That's why you get the 404. If you don't specify a host then all are allowed.

[czupet]

Thank you very very much, you saved me countless hours!

I have nothing but praise for you, not only for developing great software but to put up with people like me. And trying to help me.
At first, I tried Coddy as the reverse proxy server, but after posting a probably dumb question I was insulted by the owner of the software, he said that I should first learn how to use computers before trying software like this. Needless to say, that was the last question I posted anything on their website or used Caddy. Then I came here and from day one I have been treated with nothing but respect even when I post dumb questions. So Thank You very much! And Thank You for solving my issue.

Peter.