Put attached file test.php in wwwroot Load it with a browser Verify it prints a url like: http://damyon.in.moodle.com/im/test.php Now - set sslproxy = true and change wwwroot to use https in config.php Reload the test.php in a browser Verify it prints a url like: https://damyon.in.moodle.com/im/test.php And not like: https://damyon.in.moodle.com:80/im/test.php