Difference between revisions of "Authentification"

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(Personalisation Tool)
 
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Please read and make yourself familiar with OTP and the concept or '''Two Factor Authentification'''.
 
Please read and make yourself familiar with OTP and the concept or '''Two Factor Authentification'''.
  
=== Personalisation Tool ===
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=== Troubleshooting ===
  
You can use a ppa to install the required software in Ubuntu:
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I got the error (on ubuntu 14.04):
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#> yubico-piv-tool -a status
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Failed to connect to reader.
  
  * https://launchpad.net/~yubico/+archive/ubuntu/stable
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This is a problem with USB: so put the Yubikey in another mode and reinsert it, install (see [[#Personalisation_Tool_and_basic_installation_on_Ubuntu]]) and start the yubico personalize tool (gui or cli) and do:
* https://www.yubico.com/products/services-software/personalization-tools/use/
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  ykpersonalize -m82
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Reinsert the key and you can go ...
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=== Personalisation Tool and basic installation on Ubuntu ===
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 +
You can use a ppa to install the required software in '''Ubuntu''':
 +
 
 +
* https://launchpad.net/~yubico/+archive/ubuntu/stable
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* https://www.yubico.com/products/services-software/personalization-tools/use/
 
    
 
    
  sudo apt-get install yubikey-personalization yubikey-personalization-gui yubikey-neo-manager yubioath-desktop ykneomgr
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  sudo apt-get install yubikey-personalization yubikey-personalization-gui yubikey-neo-manager yubioath-desktop ykneomgr yubico-piv-tool
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[[Image:Yubi_unity.png]]
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=== Owncloud ===
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Two-factor authentication for ownCloud using one-time passwords (OTP) from Yubikey:
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* http://www.sj-vs.net/two-factor-authentication-for-owncloud-using-one-time-passwords-otp-from-yubikey/
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One Time Password Backend:
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* https://apps.owncloud.com/content/show.php/One+Time+Password+Backend?content=159196
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=== SSH  ===
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SSH Authentication with YubiKey | Linux Action Show 373 from [https://www.youtube.com/watch?v=F3D1gqXPW98 Jupiter Broadcasting]
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* https://www.youtube.com/watch?v=F3D1gqXPW98
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* http://www.jupiterbroadcasting.com/85062/ssh-authentication-with-yubikey-las-373/
  
 
== SSH ==
 
== SSH ==
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  '''UsePAM no'''  <<<< !!!!
 
  '''UsePAM no'''  <<<< !!!!
  
[[Category:IT-security]]
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[[Category:Security]]

Latest revision as of 21:24, 2 December 2015

Yubikey

Please read and make yourself familiar with OTP and the concept or Two Factor Authentification.

Troubleshooting

I got the error (on ubuntu 14.04):

#> yubico-piv-tool -a status
Failed to connect to reader. 

This is a problem with USB: so put the Yubikey in another mode and reinsert it, install (see #Personalisation_Tool_and_basic_installation_on_Ubuntu) and start the yubico personalize tool (gui or cli) and do:

ykpersonalize -m82 

Reinsert the key and you can go ...

Personalisation Tool and basic installation on Ubuntu

You can use a ppa to install the required software in Ubuntu:

sudo apt-get install yubikey-personalization yubikey-personalization-gui yubikey-neo-manager yubioath-desktop ykneomgr yubico-piv-tool

Yubi unity.png

Owncloud

Two-factor authentication for ownCloud using one-time passwords (OTP) from Yubikey:

One Time Password Backend:

SSH

SSH Authentication with YubiKey | Linux Action Show 373 from Jupiter Broadcasting

SSH

Generally: only use key based authentification with your ssh-webserver login!

vim /etc/ssh/sshd_config
[...]
PermitRootLogin without-password
StrictModes yes

RSAAuthentication yes
PubkeyAuthentication yes

IgnoreRhosts yes
RhostsRSAAuthentication no
HostbasedAuthentication no

PermitEmptyPasswords no
ChallengeResponseAuthentication no
PasswordAuthentication no # <<<< !!!!

X11Forwarding no
UseLogin no

UsePAM no  <<<< !!!!