LDAP/Kerberos Integration

Henry B. Hotz hotz at jpl.nasa.gov
Sat Jan 31 17:11:47 EST 2004


Sorry about not fixing the subject in the last email.

At 12:16 PM -0500 1/31/04, Sam Hartman wrote:
>  >>>>> "Henry" == Henry B Hotz <hotz at jpl.nasa.gov> writes:
>
>     Henry> Well, what we do here is have the LDAP server do a kinit
>     Henry> against the central kerberos server for authentication.
>     Henry> Native kerberos is a lot more convenient for the users, but
>     Henry> you can solve the security issues without it on a
>     Henry> case-by-case basis.
>
>If that's actually what you do, then you have even bigger security
>problems.  A kinit, without verifying the resulting ticket against a
>host or service key is completely vulnerable to spoofed KDCs.

The code was done years ago by someone who doesn't work here anymore, 
but no I don't think it uses a keytab.

In any case both machines are physically secure and the KDC is 
contacted over a private network connection.  I think the risk is 
small.
-- 
The opinions expressed in this message are mine,
not those of Caltech, JPL, NASA, or the US Government.
Henry.B.Hotz at jpl.nasa.gov, or hbhotz at oxy.edu


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