<div dir="ltr">Hi,<br>I'm attempting to implement a simple fail-over mechanism between two web servers but I'm not able to find the right syntax.<br><br>www  LUA     A          (";if ifportup(443, {'192.168.0.10'}) then "<br>                                   "      return '192.168.0.10'              "<br>                                   "else                                     "<br>                                   "      return '10.0.0.10'                 "<br>                                   "end                                      ")<br><div><br></div><div>Any suggestions are welcome !</div></div>