Wojciech Puchar wrote:
> 
> # /etc/rc.d/sshd start
> Starting sshd.
> Disabling protocol version 2. Could not load host key
>
> what's the problem? i've tried to regenerate keys by deleting
> /etc/ssh_host* , but still the same.
> 
> sshd.conf and ssh.conf is unchanged.

You need to refresh your sshd.conf as there are some new/different
parameters and filenames etc. have changed as a new openssh is in use.
(e.g. from /usr/src/crypto/dist/ssh/sshd_config - be sure to diff
before clobbering your old copy to look for any changes you may have made).