Details
Bug
Closed
Major
Description
To reproduce:
(Turn networking on?)
Goto Admin->Networking->Peers
Under "Add a new host", enter clsa_mnet_a.mroomsonline.com
Moodle (not Mahara)
Press the "Add host" button
Error message: "Invalid URL parameter."
I believe this is being rejected by clean_param in this code (line 82 in admin/mnet/peers.php):
---------
$temp_wwwroot = clean_param($form->wwwroot, PARAM_URL);
if ($temp_wwwroot !== $form->wwwroot) {
trigger_error("We now parse the wwwroot with PARAM_URL. Your URL will need to have a valid TLD, etc.");
print_error("invalidurl", 'mnet','peers.php');
exit;
}
------
(I can connect to the host correctly if I use clsamneta.mroomsonline.com)
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The underscore is not a valid DNS name character (unless a very recent ICANN change on DNS names policy and a correspondent RFC). Valid characters include letters (case insensitive), numbers and dashes. So I'd say the check is right 
Saludos. Iñaki.
Saludos. Iñaki. 
Assignning to Petr...