How to setup reverse proxy in IIS for non-http port using net.tcp

Question

How to setup reverse proxy in IIS for non-http port using net.tcp. Is this supported by IIS

e.g. reverse proxy incoming traffic on port 8000 to backend server on port 9000

Answer 1

Please see if the following link points you in the right direction. [https://learn.microsoft.com/en-us/iis/extensions/url-rewrite-module/reverse-proxy-with-url-rewrite-v2-and-application-request-routing

Answer 2

@venkatesh_vsa

You can try to enable net.tcp in IIS, and then setup reverse proxy, about how to enable net.tcp you can follow below steps:

1.  Open Control Panel=>Programs=>Click on Uninstall or Change a Program=> Click on Link "Turn Windows Features on or off".
2. Windows Features window will be opened, expand .NET Framework Advance Service.
3. Expand WCF Services=>Select All the Features HTTP Activation, Message Queuing (MSMQ) Activation, Named Pipe Activation, TCP Activation, TCP Port Sharing. Click the OK button.
4. You will get a message popup, close the window (Clicking on the close button), restart your machine, and follow the below steps.
5. Then open Windows IIS=> in Connections panel=> expand Sites=>Select your website.
6. Go to Right site Action Pane=> click on Advanced Settings.
7. Expand the "Behavior" section in the field "Enable Protocols" set the value net.tcp.

More information you can refer to this link: Enable Other Protocols (TCP, PIPE, MSMQ etc.) In IIS.

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Answer 3

IIS ARR/URL Rewrite is designed for HTTP/HTTPS only. If you want to forward raw TCP traffic, you need to check other products.