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PostPosted: Mon Jul 29, 2013 9:33 pm 
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Joined: Mon Jul 29, 2013 9:15 pm
Posts: 2
Hello,

I want the default status of the LED to be off on my YubiKey Nano. Seems straightforward except for this warning in the YubiKey documentation:

"Please Note! Re-programming your YubiKey’s 1st configuration slot will overwrite the YubiCloud configuration, and you cannot undo this action!"

I plan to modify/enable this flag with the cross-platform configuration utility:

"5.6.8 EXTFLAG_LED_INV (from version 2.4)
This flag inverts the configured state of the LED. The default state is that the LED is constantly
on when the device is configured. Setting this flag causes the LED to be off."

So, if I do this, am I "re-programming the...1st configuration slot" and subsequently "overwrit[ing] the YubiCloud configuration?" What are the ramifications of this? I'd rather leave everything relatively unmodified (except that annoying LED on the Nano as it sits in my laptop's USB port) because I remember reading that modifying the default settings might interfere with using my Yubikeys in conjunction with LastPass (I may be wrong on that...on Yubico's website the following is noted: [yubikey is] by default...programmed to work with YubiCloud and the services supporting it).

Thanks,

Ty


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PostPosted: Tue Jul 30, 2013 7:49 am 
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Joined: Wed Nov 14, 2012 2:59 pm
Posts: 666
Hello,

Inverting the led will not re-program your Yubikey.

A yubikey standard has 2 configuration slot. By " reprogramming " it is intended to change the configuration for one of these 2 slot.

i.e.

if you have the Yubico OTP in slot 1, and decide to store a long password in slot 1, you are "reprogramming" your Yubikey configuration.

_________________
-Tom


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PostPosted: Tue Jul 30, 2013 10:53 am 
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Joined: Mon Jul 29, 2013 9:15 pm
Posts: 2
Tom,

Thank you for the prompt reply. I'd suspected as much, the warning was just so definite that I'd wanted to be sure. I'll modify my [QUESTION] to [SOLVED] once I verify that it works and I'll add any tips/suggestions for other users that find their way here.

Ty


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