Ngrok – Expose any local server behind a NAT or firewall to the Internet
As is usually mentioned in reference to this, the same can be achieved on the command line with:<p>`ssh user@yourserver.com -R [remoteport]:localhost:[localport]`<p>Where 'yourserver.com' is a server you own, such that accessing '<a href="http://yourserver.com:[remoteport]'" rel="nofollow">http://yourserver.com:[remoteport]'</a> tunnels to '<a href="http://localhost:[localport]'" rel="nofollow">http://localhost:[localport]'</a>.