Connection to OSS failed

Sorry - to access the MDH On-line Safety System you must be logged in to the University of Sheffield network.

If your IP address is in range, this page automatically re-directs you to the OSS login page.

Your IP address is

I'm sorry, but I don't recognise this address as being within the University of Sheffield! - If I've got this wrong, please email OSS through the link (bottom left) of this page. If you include the IP address above in your email, we might even be able to fix the problem!