Icinga2: No need for clients to listen for remote connections.

Signed-off-by: Maximilian Wilhelm <max@sdn.clinic>

icinga2/api.conf

@@ -3,6 +3,7 @@
 #
 
 object ApiListener "api" {
+	bind_host = "127.0.0.1"
 	cert_path = "/etc/icinga2/pki/ffhohost.cert.pem"
 	key_path  = "/etc/icinga2/pki/ffhohost.key.pem"
 	ca_path   = "/etc/ssl/certs/ffho-cacert.pem"