Reverse proxy for opening your local development to a public port on a server, setting a custom Host header and optionally accepting an insecure local cert. This solution requires you already have a publicly available server with SSH access.

Another one?!

• ngrok is fantastic, but charges for SSL forwarding.
• localtunnel is also great, but I want to customise the Host header without changing the actual host being accessed.

When developing sites, I often configure my web server and/or application to redirect non-https requests to https. This will cause a lot of proxies to not work.

Usage

proxy --help will show the options available to you:

Usage of ./proxy:
  -hostname string
    	Value of the Host http header for which your vhost is configured (default "localhost")
  -insecure
    	If your local server uses a self-signed cert, set this to true
  -internal-port string
    	Internal port on which your reverse SSH tunnel is listening (default "9998")
  -public-port string
    	Public port on which to serve proxied content (default "9999")
  -scheme string
    	Use http or https locally (default "http")

1. Copy the proxy binary to your server, or somehow make it available on the server.
2. SSH into your server, providing a remote tunnel pointing the internal port above to the local port you wish to expose. ssh -R 9998:localhost:443 myuser@myserver proxy -hostname mylocalsite.dev -insecure -scheme https

The above command will expose the port 9999 on the server, and proxy it it through to your local machine, configuring the Host header and requesting https. Which means a request to http://myserver:9999 will return your local server as if you'd requested https://mylocalsite.dev

Build

With docker:

docker run --rm -v "$PWD":/usr/src/proxy -w /usr/src/proxy golang:latest go build -v