- * connections. 'target' should be a string in the format "[<port>][:<ip>]",
- * where both <port> and <ip> are optional. If <port> is omitted, it defaults
- * to 'default_port'; if <ip> is omitted it defaults to the wildcard IP
- * address.
+ * connections. 'target' should be a string in the format "[<port>][:<ip>]".
+ * <port> may be omitted if 'default_port' is nonzero, in which case it
+ * defaults to 'default_port'. If <ip> is omitted it defaults to the wildcard
+ * IP address.