# File src/ruby_supportlib/phusion_passenger/vendor/union_station_hooks_core/lib/union_station_hooks_core/utils.rb, line 80
    def local_socket_address?(address)
      case get_socket_address_type(address)
      when :unix
        return true
      when :tcp
        host, _port = address.sub(%r{^tcp://}, '').split(':', 2)
        host == '127.0.0.1' || host == '::1' || host == 'localhost'
      else
        raise ArgumentError, "Unknown socket address type for '#{address}'."
      end
    end