Difference between revisions of "Masquerading"

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Note: You are currently viewing documentation for Moodle 3.1. Up-to-date documentation for the latest stable version of Moodle is probably available here: Masquerading.

(→‎Limitations)
(→‎Running Moodle Behind A Masquerading Firewall)
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== Running Moodle Behind A Masquerading Firewall ==
 
== Running Moodle Behind A Masquerading Firewall ==
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You may be running Moodle behind a Masquerading Firewall (using Network Address Translation or NAT). In this case your internal Moodle server will most likely be assigned a non-routable (private) IP address in one of the following ranges:
 
You may be running Moodle behind a Masquerading Firewall (using Network Address Translation or NAT). In this case your internal Moodle server will most likely be assigned a non-routable (private) IP address in one of the following ranges:
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* 192.168.0.0 - 192.168.255.255
 
* 192.168.0.0 - 192.168.255.255
  
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Moodle can be set up using the standard instructions but will only be accessible within  the local network. To make the Moodle server accessible from outside of the network you will need to address the following points:
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You can not use internal ip address or internal server name if you want to access the server from Internet too.
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* Ideally provide a domain name for your external network.
 
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* In your firewall or router set up port forwarding to forward HTTP requests (port 80) to your Moodle server
 
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* Your moodle config.php will need to be modified so that $CFG->wwwroot is modified according to the IP address of the client.
 
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Modify config.php by adding the following code snippet around your $CFG->wwwroot setting:
 
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    $subnet = '192.168';
 
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    $client_ip = $_SERVER['REMOTE_ADDR'];
 
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    if (strpos($client_ip, $subnet)===0) {
 
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        $CFG->wwwroot = '...internal URL...';
 
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    }
 
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    else {
 
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        $CFG->wwwroot = '...external URL...';
 
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    }
 
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    // $CFG->wwwroot = ....    // comment out the origninal setting
 
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The $subnet variable is set to the most significant values of your internal IP addresses (most likely '192.168.' or '10.'). The 'internal' URL is the appropriate setting for access from the local network. The 'external' URL that for external access.
 
  
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=== Limitations ===
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NOTE: The original text was removed because it encouraged '''very bad practices''' --[[User:Skodak|Skodak]] 12:49, 16 January 2007 (CST)
  
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Using this method you will be unable to add full URLs that refer to resources/activites/files etc. within the same Moodle site. That is, for example, making a link in a resource to an image in the course's file area will not work properly if the URL contains the domain part.
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TODO: add explanation how to setup DNS in intranet so that the same name points to private address from intranet and public address from Internet. --[[User:Skodak|Skodak]] 12:49, 16 January 2007 (CST)
  
 
[[Category:Administrator]]
 
[[Category:Administrator]]

Revision as of 18:49, 16 January 2007

Running Moodle Behind A Masquerading Firewall

You may be running Moodle behind a Masquerading Firewall (using Network Address Translation or NAT). In this case your internal Moodle server will most likely be assigned a non-routable (private) IP address in one of the following ranges:

  • 10.0.0.0 - 10.255.255.255
  • 172.16.0.0 - 172.31.255.255
  • 192.168.0.0 - 192.168.255.255

You can not use internal ip address or internal server name if you want to access the server from Internet too. 

NOTE: The original text was removed because it encouraged very bad practices --Petr Škoda (škoďák) 12:49, 16 January 2007 (CST)

TODO: add explanation how to setup DNS in intranet so that the same name points to private address from intranet and public address from Internet. --Skodak 12:49, 16 January 2007 (CST)
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