Re: Kerberos "overlay" in mixed OS environment

2016-12-07 Thread Simo Sorce
On Wed, 2016-12-07 at 17:17 +, Nordgren, Bryce L -FS wrote: > > Use a sub-domain for at least on of the two realm and avoid yourself > a lot of trouble. > > > Ah. I don't control the network. And it sounds to me like what you're > saying is that there's more than "trouble". Windows is complet

RE: Kerberos "overlay" in mixed OS environment

2016-12-07 Thread Nordgren, Bryce L -FS
> Use a sub-domain for at least on of the two realm and avoid yourself a lot of > trouble. Ah. I don't control the network. And it sounds to me like what you're saying is that there's more than "trouble". Windows is completely unsupportable in this environment because it can't adapt, and I can

Re: Kerberos "overlay" in mixed OS environment

2016-12-07 Thread Robert Wehn
Hi Brice, What you plan works if one ofe the REALMs is a non Windows/AD Realm. For AD at least the DCs (aka Kerberos Servers) need to have the DNS fqdn match to the REALM they serve. dc1.mydomain.com should server the krb realm MYDOMAIN.COM and the ldap namespace dc=mydomain,dc=de. The (Windows)

Re: Kerberos "overlay" in mixed OS environment

2016-12-06 Thread Simo Sorce
Although with Linux you can manually list all the machines in one realm and all the machines in the other and have your clients/kdc try to cope, you can't really do that easily on the Windows side. AD KDCs assume that they control all names in a DNS domain, so they will not cooperate if some of the

Re: Kerberos "overlay" in mixed OS environment

2016-12-06 Thread Andrew Holway
If you are on linux *I think* this is functionality that sssd does out of the box although I've never tested it. https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Deployment_Guide/Configuring_Domains.html On 5 December 2016 at 19:15, Nordgren, Bryce L -FS wrote: > The

Re: Kerberos "overlay" in mixed OS environment

2016-12-05 Thread Todd Grayson
You shape the world view (REALM, dns domain to realm mapping, default_realm) in your krb5.conf on your systems participating. You dont need to have DNS srv records for everything you are doing (but they help/can be a hinderance -e.g. performance) Your one rule is you must use unique namespaces fo