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Date:      Mon, 7 Oct 2013 11:14:48 -0500
From:      Eric van Gyzen <eric@vangyzen.net>
To:        Martin Laabs <mailinglists@martinlaabs.de>
Cc:        freebsd-net@FreeBSD.org
Subject:   Re: IPv6 privacy extensions breaks kerberos
Message-ID:  <5252DDF8.1050306@vangyzen.net>
In-Reply-To: <523ED730.2030900@martinlaabs.de>
References:  <523ED730.2030900@martinlaabs.de>

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On 09/22/2013 06:40, Martin Laabs wrote:
> I noticed that kerberos stops working when enabling the privacy extension.
> This is caused by the changing outgoing IP that does not fit to the dns
> name anymore (or do not have a dns record at all)
> So every host enabling the privacy extension will be unable to use kerberos
> and kerberos enabled services like nfs.
> This is a very problematic behavior and I would like to know if there is a
> way getting around this.

You can request tickets that are not limited to specific IP addresses. 
This is obviously not ideal.  I also don't follow Kerberos development
very closely, so there might be a better solution, such as changing the
IP address in the ticket during a renewal, or requesting a subnet
instead of an IP address.

Good luck.  I, for one, would like to hear if you find other options.

Eric



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