How do I communicate between 2 servers?

[mattd8752]

I am creating a stats suite.

 

I don't have access to run Command Line scripts so I can't rely on a socket server.

 

I want to have the user's server message mine a few details (the page loaded, a code to verify that it is the real server not someone trying to screw up the records, the users IP, and the refferer).

 

I need this to be sent from a script on their server to my server to be added to the logs.

[Guest prozente]

You can use POST or GET and just direct it to a script on the other server.

 

On that script you can check $_SERVER['REMOTE_ADDR'] to ensure it is the server before taking any action

[mattd8752]

You can use POST or GET and just direct it to a script on the other server.

 

On that script you can check $_SERVER['REMOTE_ADDR'] to ensure it is the server before taking any action

Okay, that makes sense.  How would I do that exactly though?

[MadTechie]

<form action="http:\\host\remotefile.php" method="post">
<input name="data" type="text" />
</form>

[mattd8752]

<form action="http:\\host\remotefile.php" method="post">
<input name="data" type="text" />
</form>

I want to do this silently.  So as a page is loaded the script is run.

[MadTechie]

humm javascript or sockets..

[mattd8752]

How would I do this with Javascript then?

[Guest prozente]

With PHP you'd make a connection using sockets to the other server on port 80, this is to the webserver

Then you'd send your packet, if you were using GET it would look something like this

$http_request  = "GET /script.php?variable1=123&foo=bar HTTP/1.0\r\n";
$http_request .= "Host: example.com\r\n";
$http_request .= "User-Agent: bot\r\n\r\n";

 

See the PHP manual for information on using sockets, I don't want to do it all for you. The examples on the page are well enough.

 

http://us2.php.net/manual/en/ref.sockets.php

 

then on your script.php you'd check $_SERVER['REMOTE_ADDR'] to make sure it was your other servers IP address and not just someone trying to send fake information. This is far better than using any type of password since your servers IP is static.

 

once you check the IP Address and it is correct you would use $_GET['variable1'] and $_GET['foo'] to access the data

 

When crafting the packet use urlencode on data you plan to put in a variable

 

This should be enough to get you started.