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vaneck
on Sept 23, 2011
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Simple Two-Factor SSH Authentication
Beware that this may break apps that use SSH as a transport protocol (like rsync and mercurial, depending on your setup of course).
Estragon
on Sept 23, 2011
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You could set those up with separate identities authorized with forced commands, though I'm not sure how you would secure rsync from abuse.
moomerman
on Sept 23, 2011
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The extended example 'should' work with those kinds of apps. The trivial example does not.
pedrocr
on Sept 23, 2011
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More specifically it checks for the SSH_ORIGINAL_COMMAND environment variable and executes it if it exists, thus making "ssh myhost <command>" work again.
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