[Freeipa-users] DNS SOA Records
Bob
harvero at gmail.com
Tue May 13 18:04:27 UTC 2014
I added: "grant bob-key name test.vh1.vzwnet.com.;" in the IPA GUI.
But my nsupdate results in this in the daemon log:
May 12 17:04:02 nj51rhidms16v named[27438]: zone vh1.vzwnet.com/IN:
sending notifies (serial 1399928642)
May 12 17:08:44 nj51rhidms16v named[27438]: client 10.194.96.47#26576:
request has invalid signature: TSIG bob-key: tsig verify failure
(BADKEY)
May 12 17:15:16 nj51rhidms16v [sssd[ldap_child[10162]]]: Error
processing keytab file [default]: Principal
[host/nj51rhidms16v.nss.vzwnet.com at IPA.NSS.VZWNET.COM] was not found.
Unable to create GSSAPI-encrypted LDAP connection.
May 12 17:15:16 nj51rhidms16v [sssd[ldap_child[10162]]]: Error writing
to key table
It almost works.
On Tue, May 13, 2014 at 1:38 PM, Loris Santamaria <loris at lgs.com.ve> wrote:
> El mar, 13-05-2014 a las 10:57 -0400, Bob escribió:
> > I have many dozens of TSIG keys declared in our current bind. There
> > are hundreds of records that have been granted to those keys. All of
> > this predates me and I do not know who has these keys. The scope of
> > trying to work with the owners of these keys to convert their
> > processes to to use kerberos would be a large effort. It was my hope
> > to use IPA / IDM to provide multi master DNS, with each server being a
> > SOA. But this becomes a lot less desirable as a solution if I have to
> > track down our key holders.
>
> You can keep using your TSIG keys with IPA if that is what you're
> looking for. Just declare your TSIG keys in your IPA dns "update-policy"
> just as you would do with plain bind:
>
> ipa dnszone-mod example.com --update-policy="grant key1. subdomain
> a.example.com.; grant key2. name b.example.com.;"
>
> Also in IPA every DNS presents a different SOA, each with the name of
> the server being queried, so it can be used as a true multimaster DNS
> solution.
>
> Hope this helps
>
>
>
> > On Tue, May 13, 2014 at 10:04 AM, Dmitri Pal <dpal at redhat.com> wrote:
> > On 05/13/2014 09:59 AM, Bob wrote:
> >
> > > Is there anyway to do a nsupdate of a DNS records in a IPA
> > > server using a TSIG key without having a kerberos ticket?
> > >
> > >
> > > We were going to swap out bind in favor of IPA, but we need
> > > to be able to nsupdates.
> > >
> > >
> > >
> >
> >
> > If you are using IPA you can give you clients keytabs.
> > It is all automatic with RHEL, Fedora, Centos for last 5
> > years. Enroll your clients using ipa-client-install.
> > If you have other operating systems some exploration would be
> > required but it should be doable too.
> >
> > >
> > > On Mon, May 12, 2014 at 10:11 AM, Bob <harvero at gmail.com>
> > > wrote:
> > > We use nsupdate to to move the location of some of
> > > our services around. For instance there might be two
> > > servers that exchange roles, like serv.east.abc.com
> > > and serv.west.abc.com and we will have a service
> > > name like wiki.abc.com. The owner of the application
> > > has been given an nsupdate key that allows them to
> > > update and delete on the the wiki.abc.com and have
> > > that records contain either an "A" record for one or
> > > the other of the two servers.
> > >
> > >
> > > I am very concerned that there might come a time
> > > when the SOA primary master server for this dynamic
> > > domain might be down when the application owner
> > > needs to do their nsupdate.
> > >
> > >
> > > One observation that we see is that Window AD and
> > > DNS make every AD DNS server an SOA for any domain
> > > that it servers. That any dynamic DNS update can be
> > > serviced by any Domain controller and that this
> > > update is replicated with LDAP to the other DCs.
> > >
> > >
> > > It was our hope that we could use IPA for our DNS
> > > servers for this dynamic domain. That we would have
> > > multiple forward statements from our main DNS
> > > servers to the IPA DNS servers and that any IPA
> > > server would be the SOA. This way the nsupdate would
> > > be processed by any available IPA server in the
> > > event that one or more of these IPA DNS servers
> > > would be down or unreachable.
> > >
> > >
> > > Is there a way to make each IPA system a SOA for the
> > > same domain and still have the DNS records replicate
> > > between them?
> > >
> > >
> > > thanks,
> > >
> > >
> > > Bob Harvey
> > >
> > >
> > >
> > >
> > >
> > >
> > > _______________________________________________
> > > Freeipa-users mailing list
> > > Freeipa-users at redhat.com
> > > https://www.redhat.com/mailman/listinfo/freeipa-users
> >
> >
> > --
> > Thank you,
> > Dmitri Pal
> >
> > Sr. Engineering Manager IdM portfolio
> > Red Hat, Inc.
> >
> > _______________________________________________
> > Freeipa-users mailing list
> > Freeipa-users at redhat.com
> > https://www.redhat.com/mailman/listinfo/freeipa-users
> >
> >
> > _______________________________________________
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> > Freeipa-users at redhat.com
> > https://www.redhat.com/mailman/listinfo/freeipa-users
>
> --
> Loris Santamaria linux user #70506 xmpp:loris at lgs.com.ve
> Links Global Services, C.A. http://www.lgs.com.ve
> Tel: 0286 952.06.87 Cel: 0414 095.00.10 sip:103 at lgs.com.ve
> ------------------------------------------------------------
> "If I'd asked my customers what they wanted, they'd have said
> a faster horse" - Henry Ford
>
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