Docs: Documented the http.*host and transport.*host settings

docs/reference/modules/http.asciidoc

@@ -25,6 +25,12 @@ The following are the settings that can be configured for HTTP:
 |Setting |Description
 |`http.port` |A bind port range. Defaults to `9200-9300`.
 
+|`http.bind_host` |The host address to bind the HTTP service to. Defaults to `http.host` (if set) or `network.bind_host`.
+
+|`http.publish_host` |The host address to publish for HTTP clients to connect to. Defaults to `http.host` (if set) or `network.publish_host`.
+
+|`http.host` |Used to set the `http.bind_host` and the `http.publish_host` Defaults to `http.host` or `network.host`.
+
 |`http.max_content_length` |The max content of an HTTP request. Defaults
 to `100mb`
 

docs/reference/modules/transport.asciidoc

@@ -31,6 +31,13 @@ is behind a proxy or firewall and the `transport.tcp.port` is not directly
 addressable from the outside. Defaults to the actual port assigned via
 `transport.tcp.port`.
 
+|`transport.bind_host` |The host address to bind the transport service to. Defaults to `transport.host` (if set) or `network.bind_host`.
+
+|`transport.publish_host` |The host address to publish for nodes in the cluster to connect to. Defaults to `transport.host` (if set) or `network.publish_host`.
+
+|`transport.host` |Used to set the `transport.bind_host` and the `transport.publish_host` Defaults to `transport.host` or `network.host`.
+
+
 |`transport.tcp.connect_timeout` |The socket connect timeout setting (in
 time setting format). Defaults to `30s`.