Re: Handling SSH yes/no message

From: Nigel Johnson (nigel5_at_dr-deviant.net)
Date: 02/28/04


Date: Sat, 28 Feb 2004 13:59:55 -0000

Richard is right about you changeing host keys each rebuild... when someoone
knows your host as certain thing... rebuilding should not alter its
identity. Any time a host key changes, you should want to know why.

However, ince you are going through the mammoth task of rebuilding a new
server each time, you could just delete your known_hosts every rebuild?

Nigel.

"Richard E. Silverman" <res@qoxp.net> wrote in message
news:m2brnowbg6.fsf@darwin.oankali.net...
> >>>>> "RP" == Ravi Parimi <parimi@none.nowhere.com> writes:
>
> RP> MITM wont be an issue for me because the whole setup is within an
> RP> internal network.
>
> ... which will of course never be hacked. Famous last words. :)
> Seriously, I understand there are tradeoffs, but I wouldn't be too
> complacent about this. Security holes people frequently allow for
> convenience are exactl those for which crackers spend effort developing
> convenient exploits.
>
> >> Better, of course, would be to tune your rebuild process to
> >> preserve the host keys...
>
> RP> Unfortunately, I don't have control over restoring the host keys
> RP> for each build.
>
> I don't know what these machines are used for, of course, but if they have
> a sizeable non-security-conscious user community, constantly changing host
> keys simply teaches them to completely disregard important security
> warnings.
>
> --
> Richard Silverman
> res@qoxp.net
>



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