Using the following details:
| tcp-port | 8009 (the default) | 
| webserver_port | 3000 (the default) | 
| Apache HTTP port | 80 (the default) | 
| WebSocket port | 8009 | 
Amend the httpd.conf file as follows:
# HTTP
<VirtualHost *:80>
     ProxyPreserveHost On
     ProxyPass / http://{Ip Address of the Gateway server}:3000/
     ProxyPassReverse / http://{Ip Address of the Gateway server}:3000/
</VirtualHost>
# WebSocket
<VirtualHost *:8009>
	ProxyPreserveHost On
	ProxyPass / ws://{Ip Address of the Gateway server}:8009/
	ProxyPassReverse / ws://{Ip Address of the Gateway server}:8009/
</VirtualHost> 
               		The URL opened by the browser does not require a portgw parameter; its value defaults to tcp_port.