From: Todd Watson (tkw@southwestern.edu)
Date: Thu Aug 23 2001 - 17:17:37 CDT
I would think that would be the easiest way to do it actually. NetReg
(by default -- though some have altered this for their setup) uses the
userid as hostname descriptor in the dhcpd.conf file. We did that
because all userid's on campus are unique and that would work well if we
wanted all hostnames to be unique as well. So, you would just use that
descriptor for your record update. Not having ever run DDNS I don't
know the procedure to set this up, but I know it is documented on the
net and the ISC DHCP server docs discuss the DDNS updates.
Todd
--
Todd K. Watson
Senior System & Network Administrator
Southwestern University, Georgetown, TX
tkw@southwestern.edu || TEL:512.863.1508 || FAX:512.863.1605
fxmmc wrote:
>
> I never thought of it like that, in the past our DHCP server and DNS servers
> were always on the same box so I guess I never realized that you could do DDNS
> updates over a network.
>
> My next question then is if there is a way to make it so that the DDNS entry
> that the user recieves is based on the user name that they enter when they
> authenticate their machine on the network. So when the user registers their
> machine they put in their university userid and password and from then on
> their DDNS entry is <userid>.dorms.uaf.edu.
>
> -Micah
>
> >===== Original Message From Todd Watson <tkw@southwestern.edu> =====
> >Micah,
> >
> >You should be able to implement this easily. DDNS is designed to allow
> >you to update records and zoneinfo across the network to the DNS
> >server. So, you would just have to configure DHCP on your NetReg system
> >to do the update over the network to the other DNS server. This should
> >be straight-forward since v3 of the ISC DHCP server supports DDNS
> >updates.
> >
> >Todd
> >--
> > Todd K. Watson
> > Senior System & Network Administrator
> > Southwestern University, Georgetown, TX
> > tkw@southwestern.edu || TEL:512.863.1508 || FAX:512.863.1605
> >
> >fxmmc wrote:
> >>
> >> We are setting up a netreg server here at our university (University of
> Alaska
> >> Fairbanks) and we would like to be able to do some DDNS with the students.
> >> The main problem is that Netreg does the DHCP address assignments but we
> have
> >> a separate name server that does the DNS resolving. Has anyone tried doing
> >> any sort of DDNS work with Netreg and if so how did you do it? Does anyone
> >> have any ideas of how we may be able to get this working?
> >>
> >> I was thinking that possibly we could have a script of some sort running
> ever
> >> minute or two that would pull the information from the dhcpd.leases file
> and
> >> the dhcpd.conf file every minute or so, parse them for the student's user
> name
> >> (dhcpd.conf) and their current IP address lease (dhcpd.leases) and then
> send
> >> that information over the the DNS server which would update the DNS
> >> accordingly anytime there is a change. I am kind of hoping that there is a
> >> more eloquent way of doing this or at least an easier way of doing it.
> >>
> >> -Micah Caldwell
> >> -University of Alaska Fairbanks
> >> -Department of Computing and Communications
> >>
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