Sets the URL referred to each time a user attempts to change his nickname. The chat server will retrieve this URL every time a user attempts to change nicknames. Parameters that will be passed include:
action=join
nick=<nickname>
user=<username>
pass=<password>
host=<host_name>
ip=<source_IP>
guid=<assigned_GUID>
new_nick=<requested_nickname>
The script may return "allow=true" to allow the change or "allow=false" to refuse it.
Examples:
/as security weblink nickchange url http://server.webmaster.com.com/nickchange.cgi