Sorry for the trouble. We had installed a software to block attack against the web-server which caused the trouble for you.We have tweaked that to allow the URL format. However the URLhttp://<url removed>/modules/system/admin.php?fct=groups is not redirecting tohttp://<url removed>
Can you please confirm this link should be working in other way.
Forbidden
You don't have permission to access /modules/system/admin.php on this server.
Additionally, a 404 Not Found error was encountered while trying to use an ErrorDocument to handle the request.
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Apache/1.3.33 Server at <address removed> Port 80