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copied!<p>Alternatively, you can use something like <a href="http://www.analogx.com/contents/download/Network/pmapper/Freeware.htm" rel="nofollow noreferrer">AnalogX's PortMapper</a> to act as a small loopback proxy to <em>tunnel</em> privately localhost bound ports to publicly open ports.</p> <p>For example,</p> <ul> <li><strong>IISExpress</strong> is locally bound to <strong>localhost:8080</strong></li> <li><strong>PortMapper</strong> port <strong>9090</strong> is configured to relay traffic to <strong>localhost:8080</strong></li> </ul> <p>Effectively, any connection on port <strong>9090</strong> (opened by <strong>PortMapper</strong>) will be tunneled to <strong>localhost:8080</strong>; thereby bypassing all the netsh nonsense which can be a pain sometimes.</p> <p>Below is my configuration:</p> <p><img src="https://i.stack.imgur.com/FYVSe.png" alt="PortMapper configuration"></p> <p>The benefit of using this proxying method is that it does not permanently expose an open <strong>IISExpress</strong> port on the local dev box.</p> <p>Rarely, there are times when I want to open the port publicly for meetings; but most of the time, the port should closed and only be accessible by localhost. Modifying firewall rules on the router every time is a pain. Here's how I have things setup:</p> <ul> <li>My router firewall forwards <strong>9090</strong> port to <strong>PortMapper</strong></li> <li><strong>PortMapper</strong> only continues proxying the traffic to <strong>IISExpress</strong> (listening on <strong>8080</strong>) only if <strong>PortMapper</strong> is running.</li> </ul> <h3>Note</h3> <p>Make sure to close out all the <strong>PortMapper</strong> windows for any changes to take effect.</p> <h3>Note 2</h3> <p>As others have described, you might need to adjust the <strong>IISExpress</strong> bindings for your application in</p> <pre><code> My Documents\IISExpress\applicationhost.config project\.vs\config\applicationhost.config </code></pre> <p>to something like:</p> <pre><code><bindings>    <binding protocol="http" bindingInformation="127.0.0.1:8080:" /> </bindings> </code></pre>

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