On Sat, 5 May 2007, Adam Megacz wrote:


I've found that when doing cross-realm trust between two AFS cells
(both in MIT KDC realms), the foreign-realm principal trying to
acquire tokens in the local realm must have REQUIRES_PRE_AUTH as an
attribute in his/her realm in order for aklog to work.

I've found this happens if the cross realm krbtgt principal has requires preauth set. I don't think its a feature of aklog.

However, you really should be using requires preauth on anything that's key would be vulnerable to a dictionary attack.

Simon.
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