// [PROTOCOL:]IP[%INTERFACE][:PORT]
//
// PROTOCOL = tcp or udp
-// IP = IPv4 or IPv6 IP or hostname, optionaly enclosed in [] (required for IPv6)
+// IP = IPv4 or IPv6 IP or hostname, optionally enclosed in [] (required for IPv6)
// INTERFACE = for IPv6 only, the network interface to use
// PORT = port number or service name