On Nov 19, 2010, at 1:08 PM, Greg Schaffer wrote: > Oh, I don't think it's worth it; I believe this to be an instruction issue, > but there are good points on both sides. > > Wouldn't need re-authentication; just some method of kicking off those > authenticated users at specified times. I'm not a programmer, nor do I know > if this is done in any product, but I'd think it would be possible to do. > > The sharing of access creds is a good point. BUT, if the authentication was > by machine and not user, that would go far in solving that issue. For > example, Enterasys NAC authenticates on MAC address that has been registered > by a user. SO the algorithm would be look at class list, look at student > user id, look at MAC(s) registered, perform individual block action.
MAC addresses are easily changed/spoofed on modern laptops, probably not as easily spoofed on smartphones though yet (or is there already and app for that?) Two factor identification would be more robust than machine identification. Students might be less likely to share smartcards or other physical devices than simple passwords. > > And I will say again, yes, a lot of work to "solve" what I think is an > instructor issue, and yes it does nothing to address 3/4G. But it's an > interesting academic exercise...if you'll pardon the pun :) > > Greg > > On Fri, Nov 19, 2010 at 12:13 PM, Curtis, Bruce <bruce.cur...@ndsu.edu> wrote: > > On Nov 19, 2010, at 10:35 AM, Greg Schaffer wrote: > > > > > Finally, with regards to WiFi blocking, I don't think the simplest solution > > has been offered yet. If the wireless is accessed via credentials, create > > an LDAP/AD/Radius interface that can disable those accounts during a > > specified class time, or on command from the instructor. Can it be done? > > I don't see why not, but I may be missing something(s)... > > > > Greg > > You would have to tune the wireless system to require re-authentication > quite often, otherwise students could just connect to the network 5 minutes > be fore class and still be connected during class. > > Also this would create a situation where students are highly motivated to > share their access credentials with others. > > Is the administrative overhead to enter all of the data for class times > worth it when the future will only bring higher and higher percentages of > students with smart phones or netbooks that access the Internet through 3G > and 4g celluar? > > > ********** Participation and subscription information for this EDUCAUSE > Constituent Group discussion list can be found at > http://www.educause.edu/groups/. > --- Bruce Curtis bruce.cur...@ndsu.edu Certified NetAnalyst II 701-231-8527 North Dakota State University
