High Availability Proxy

HAProxy is a reverse proxy and load balancer.

If you have a web server which already does HTTP and HTTPS, but you don't want to expose it to the internet (e.g. in a home server self hosting setup), you can proxy it through HAProxy.

frontend http
	bind *:80
	default_backend upstream_http
 
frontend https
	bind *:443
	default_backend upstream_ssl
 
backend claptrap_http
	server upstream 192.168.77.2:80
 
backend claptrap_ssl
	server upstream 192.168.77.2:443