code: func (c *Config) WebProxyHostPort() (string, int) {
  	if c.WebProxyAddr != "" {
  		addr, err := utils.ParseAddr(c.WebProxyAddr)
  		if err == nil {
  			return addr.Host(), addr.Port(defaults.HTTPListenPort)
  		}
  	}
  
  	webProxyHost, _ := c.WebProxyHostPort()
  	return webProxyHost, defaults.HTTPListenPort
  }
docs: // WebProxyHostPort returns the host and port of the web proxy.