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[krbdev.mit.edu #8981] Documentation__krb5.conf

daemon@ATHENA.MIT.EDU (Ulf Bremer via RT)
Mon Jan 25 10:11:48 2021

From: "Ulf Bremer via RT" <rt-comment@krbdev.mit.edu>
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Date: Mon, 25 Jan 2021 10:11:26 -0500
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Mon Jan 25 10:11:26 2021: Request 8981 was acted upon.
 Transaction: Ticket created by ubremer@juniper.net
       Queue: krb5
     Subject: Documentation__krb5.conf
       Owner: Nobody
  Requestors: ubremer@juniper.net
      Status: new
 Ticket <URL: https://krbdev.mit.edu/rt/Ticket/Display.html?id=8981 >


Hi,

I can't get my head around how the following can be consistent / right:

"
[domain_realm]
The [domain_realm] section provides a translation from a domain name or hostname to a Kerberos realm name. The tag name can be a host name or domain name, where domain names are indicated by a prefix of a period (.). 
...

[domain_realm]
    crash.mit.edu = TEST.ATHENA.MIT.EDU   < --- according to the above a host
    .dev.mit.edu = TEST.ATHENA.MIT.EDU    < --- according to the above a domain
    mit.edu = ATHENA.MIT.EDU              < --- according to the above a _host_

... dev.mit.edu ... is matched by the third entry, which maps the host mit.edu and _all hosts under the domain mit.edu_ ... into the realm ATHENA.MIT.EDU.
"

How can a non-domain (as it doesn't start with a . ) apply to "all hosts under the domain"? Any clarification would be much appreciated.

Regards

Ulf

Juniper Business Use Only


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