|>I thought you had more insight. All of OpenBSD's security is 
|at risk with
|>this technology.
|>
|The security features of an OS will not stop a physical attack, no 
|matter how well designed.  This is no different than the admin leaving 
|root's password on a post-it note stuck to the underside of the file 
|drawer.  If you don't trust your physical environment, change it.  In 
|this case, I'd remove the 'secure' flag from ttyCn, and use either a 
|serial console or SSH in from a keyboard I trusted (by buying 
|it myself 
|from a retailer, and using appropriate tamper-evident tape).


One Time Passwords such as skey(1) are also good for insecure environments.

Ben.

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