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[SLUG] SSH client question

Is it possible to prevent the ssh client from permanently storing the
remote host public key when it makes a connection to that remote
host for the first time?  The manpage does not give any indication.

I know that this lowers the level of security, but that is not a concern
as this is on a trusted network; it's just that ssh is so convenient.

The reason I want to prevent this permanent storing is because the remote
hosts are assigned IPs and hostnames by DHCP so the relation between the
hostname and its host keys can change as leases expire.

Howard.  LANNet Computing Associates <http://lannetlinux.com>
"We needn't, as socialists, get too concerned about privacy;
it's a bourgeois right, closely allied to the right to private property".
                                - Former Federal Health Minister Neal Blewett,
addressing the Fabian Society in 1988 in relation to the Australia Card issue.

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