NoCatAuth (nocat.net) does exactly this. Although I think NoCat is designed with wireless in mind. Not sure if it works with normal wired network cards, but I can't see any reason why it wouldn't.
On Wed, 30 Oct 2002, C. R. Oldham wrote: > > I don't believe it's possible to have a user log in to get an IP. > > It is possible, in hotels that have broadband in rooms, and on some > university campuses I've been too they have a DHCP server setup to serve > addresses from a private block. On that network there is a webserver > setup to intercept any http request coming from a client in the private > block and redirect the user to a page where he/she has to login. On > login a cgi (or some such) makes a change in the DHCP database to > allocate the user a "real" IP. The user gets instructions on the > ensuing webpage to do a release/renew and boom they are setup. > > Sorry, I don't know of any opensource packages to do this, but it > shouldn't be too hard. > > Of course, unless you setup your routers to block packets based on MAC > address this won't prevent someone from "guessing" a valid IP and > setting it up static. > > -- > C. R. Oldham > Director of Technology > NCA CASI > > > -- > To UNSUBSCRIBE, email to [EMAIL PROTECTED] > with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED] > >
