Umm, marc, many many NICs allow this, even the onboard sun NICs can do this.
Thanks, Ron DuFresne On Tue, 12 Feb 2002, Marc Sahr wrote: > Huh? How can a hard-coded mac address be changed? It's burned into the > NIC controller chip, and every single network-attached device has a > unique MAC address. I've never heard of being able to change them. > > Marc > > -----Original Message----- > From: Marc DVer [mailto:[EMAIL PROTECTED]] > Sent: Tuesday, February 12, 2002 1:12 PM > To: [EMAIL PROTECTED] > Subject: Re: Restricting User from Changing IP > > > I'm no expert, but as has been stated here, MAC addresses can be changed > very easily. > > If this were my situation, and if I were in a windows enviorment, I > would > lock down the computers using something like Fortres (which I actually > use, > by the way). Just lock down the desktop and users can't change the ip. > > Marc DVer > Head of MIS > White Eagle Laboratories, Inc. > > ----- Original Message ----- > From: "Mike Fetherston" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Tuesday, February 12, 2002 2:46 PM > Subject: Re: Restricting User from Changing IP > > > > or if no policies are in place restricting the users machine, and > there > > won't be any.. ever... you can limit to IP address and MAC. i.e. set > a > rule > > that states specifically both MAC's and IP's, have your default policy > to > > DENY (of course). > > > > Mike. > > > > ----- Original Message ----- > > From: "Noonan, Wesley" <[EMAIL PROTECTED]> > > To: "'Nick'" <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]> > > Sent: Tuesday, February 12, 2002 2:40 PM > > Subject: RE: Restricting User from Changing IP > > > > > > > Build your environment so that there isn't a way around?? Seriously. > > > > > > What OS are the users using? If they aren't administrators on > Windows, I > > > don't think they can change their IP addresses. Sounds like it is > time > to > > > start revoking privileges... > > > > > > Wes Noonan, MCSE/MCT/CCNA/CCDA/NNCSS > > > Senior QA Rep. > > > BMC Software, Inc. > > > (713) 918-2412 > > > [EMAIL PROTECTED] > > > http://www.bmc.com > > > > > > > > > -----Original Message----- > > > From: Nick [mailto:[EMAIL PROTECTED]] > > > Sent: Tuesday, February 12, 2002 13:32 > > > To: [EMAIL PROTECTED] > > > Subject: Restricting User from Changing IP > > > > > > I got some nasty users behind proxying / filtering server,.. > > > sometimes they change their ip address to get out from the > restrictions. > > > > > > What should I do to prevent this ? ( I use iptables ) > > > > > > TIA > > > _______________________________________________ > > > Firewalls mailing list > > > [EMAIL PROTECTED] > > > http://lists.gnac.net/mailman/listinfo/firewalls > > > _______________________________________________ > > > Firewalls mailing list > > > [EMAIL PROTECTED] > > > http://lists.gnac.net/mailman/listinfo/firewalls > > > > > _______________________________________________ > > Firewalls mailing list > > [EMAIL PROTECTED] > > http://lists.gnac.net/mailman/listinfo/firewalls > > > > _______________________________________________ > Firewalls mailing list > [EMAIL PROTECTED] > http://lists.gnac.net/mailman/listinfo/firewalls > > _______________________________________________ > Firewalls mailing list > [EMAIL PROTECTED] > http://lists.gnac.net/mailman/listinfo/firewalls > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ "Cutting the space budget really restores my faith in humanity. It eliminates dreams, goals, and ideals and lets us get straight to the business of hate, debauchery, and self-annihilation." -- Johnny Hart ***testing, only testing, and damn good at it too!*** OK, so you're a Ph.D. Just don't touch anything. _______________________________________________ Firewalls mailing list [EMAIL PROTECTED] http://lists.gnac.net/mailman/listinfo/firewalls
