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**Homer** · 04-08-2019, 09:54 AM

Well, I guess your problem may be in network configuration for PHPoC Shield.
The IP address looks okay if you can access to the web apps on the Shield.

Probably you need to check the DNS server/Gateway address you set on PHPoC Shield.
Make sure these are the same with the setting you set on your computer.
Hope that helps

Cheers

**Henk** · 04-09-2019, 05:12 AM

Thanks for your reply, Homer.

All my computers, mobile devices and the Raspberry use exactly the same addresses for dns and gateway - although I usually choose 255.255.255.0 as subnet mask.

Remarkably, on the same setup I described, the following script posts info without any problem:

Code:

<?php

include_once "config.php";

?>

<!DOCTYPE html>

<html>

<head>

<title>Test outbound</title>

<meta name="viewport" content="width=device-width, initial-scale=0.7, maximum-scale=0.7">

<style>

body { text-align: center; }

h1 { font-weight: bold; font-size: 25pt; }

h2 { font-weight: bold; font-size: 15pt; }

button { font-weight: bold; font-size: 15pt; }

</style>

</head>

<body>

<form action="http://www.nuffieldcars.com/sp_api/api.php" method="post" id="frmMain">

<input type="text" id="hdnOffset" name="hdnOffset">

<input type="text" id="hdnContent" name="hdnContent">

<input type="submit" id="btn" value="Submit">

</form>

</body>

</html>

**Khanh** · 04-09-2019, 09:28 AM

The "log> command: error -110" means "Connection timed out"
It means PHPoC shield cannot reach DNS server.
please try to config DNS server address in PHPoC shield is 8.8.8.8

**Henk** · 04-10-2019, 04:51 AM

Thanks for your explanation. Unfortunately it didn't solve the problem. Providing a well known IP address, thus bypassing the dns server, didn't help either.

Next weekend I'm going to dive into the library code - maybe that will shed some light on where things go wrong.

Thanks anyway, all!

**Homer** · 04-10-2019, 09:43 AM

It seems that you can access the web app you uploaded on the shield, to perform a POST script.
It means PHPoC shield is connected to your local network without any problem, so that you are able to connect to the web server on the shield.

The issue here is that the shield failed to reach DNS server and access to the Internet outside your local network.
Typically, the problem comes from gateway/DNS setup.
But I assume that you also made some modifications on the shield's flash files.

Normally, there should be no problem if you upload your files to the shield, but in case there are changes in shield's system files, something wrong could happen.
I think you can try to test with the original shield's flash file and Arduino library as well:
https://forum.phpoc.com/forum/phpoc-...phpoc-shield-1

Let's see if the problem still happens or not.
Hope to hear good news from you.
Cheers

**Henk** · 04-13-2019, 04:36 AM

Magic. After upgrading the Arduino IDE form 1.8.3 or 1.8.4 (I forgot to make a note) to 1.8.9, the example and some other sketches using PhpocClient worked fine. Of course it's dangerous to derive causality from correlation, but I could imagine that one or more linked libraries were the cause of the problems I encountered.

Thanks all, especially Homer, for your contributions - I can now continue my little project

Cheers,
Henk

**Homer** · 04-15-2019, 09:03 AM

Wow that's great to hear

Welcome, my friend.
Thank you btw, I will also take note about this.
Cheers

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