fluff: restricting access

It is now possible to restrict access to files so that they may only be downloaded from computers on the University network.

Fluff considers the following computers to be "on the University network":

For files uploaded on or after Monday 26th April 2010, this also includes:

  • computers using the UoB virtual private network (VPN) (clients receiving IP addresses in the form 172.(16-31).x.y)
  • computers physically wired to the University's network, using "private" (RFC1918) addresses from,,
  • computers using the UoB wireless service

For files uploaded on or after Tuesday 1st May 2012, this also includes:

  • computers with IPv6 addresses beginning 2001:630:e4: