Os X Terminal Pam Error
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Post navigation ← Previous Next → Two-factor authentication on OSX (a YubiKey example) Posted on May 6, 2014 by Jeroen Veldhorst Authentication As described in the blog "Exploring yubikey os x login Hard Tokens", the combination of a username/password for acces control has yubico pam some "big" disadvantages. Passwords can be cracked, retrieved by social engineering, read from faulty systems, retrieved from unsecured internet yubikey core error: timeout access, etc. Yet authentication on a workstation usually is done by using a username/password combination. This method has been in use for years and everybody understands it. When an two factor authentication os x login attacker retrieves a username/password combination, this often grants him access to all sorts of company-wide information. E.g. email and other locally stored passwords (application, database). Furthermore, it is almost impossible to detect when an attacker accesses a system. Therefore it is important to strengthen your authentication by adding a second step to your authentication process. This can be done in several ways,
Yubikey El Capitan
this blog describes how I secured my OSX with a YubiKey. YubiKey A YubiKey provides the possibility to authenticate yourself with a second factor. Something you know: username/password Something you have: yubikey How it works The configuration consists of three steps: Prepare your YubiKey Prepare your OSX (register your YubiKey with your account) Change OSX authentication Setting up your YubiKey Install the "YubiKey Personalization Tool" Set a challenge-response (HMAC-SHA1) on the second slot of your YubiKey Select Configuration Slot 2 Select Variable input for HMAC-SHA1 Mode Click Generate to generate a new Secret Key (20 bytes Hex) Click Write Configuration Your YubiKey is now ready. P.S. It is recommended to protect your YubiKey configuration by setting an Access Code Prepare your Mac to use your YubiKey Open a terminal session as root. Do not close this session until you verified the new authentication process works. In case an error occurs this session comes to help: terminal (root) sudo su Open a new terminal session as user and install the YubiKey pam module (with brew): terminal (user) brew install pam_yubico sudo cp /usr/local/Cellar/pam_yubico/2.16/lib/security/pam_yubico.so /usr/lib/pam/pam_yubico.so Generate
news], [Tennis], [Java], [Ruby], [Technology]. Books I Like Amazon.com Widgets Monday, October 5, 2009 Mac Terminal Error : Could not determine audit condition When I launched my terminal today, was
Yubikey Not Recognized Mac
welcomed with this error :-login: PAM Error (line 396): System errorlogin: Could not determine yubikey mac software audit condition[Process completed]It is most probably because I was playing with my /usr/bin permissions the other day.The fix is easy. Just delete yubikey mac setup the "/usr/bin/login" dir.But how do I delete it, if I can't access the "Terminal" altogether ? Come on - You can access any folder using the "Finder".1. Open "Finder"2. Open "Go To Folder"3. Type "/usr/bin/login"4. https://blog.avisi.nl/2014/05/06/two-factor-authentication-on-osx-a-yubikey-example/ Delete it.You are done. Posted by Anshu at 8:13 AM Labels: Mac, PAM Error, Terminal 6 comments: Anonymous said... great ! worked ! January 26, 2010 at 4:03 PM newtriks said... Thanks for this, I also need to repair permissions: Disk Utility > Repair Disk Permissions December 30, 2010 at 4:35 AM MarcV said... There is no directory named /usr/bin/login but I wouldn't have been able to use Finder anyway because http://anshu-manymoods.blogspot.com/2009/10/mac-terminal-error-could-not-determine.html I forgot the password. But, as it turns out, the disk repair utility does have root capability even for an ordinary user and it did fix the problem.The problem was simply permissions. In my case I had scp'd the /usr/bin files from my MacBook Air but did not use the -pr option. Moving them to /usr/bin seemed effective but that's when login stopped working. Subsequently using scp -pr did NOT fix the problem. I'm grateful to newtriks for the post. March 9, 2011 at 11:11 AM Sandhya said... login folder was not there in /usr/bin. But Disk Repair-Repair Permissions worked wonders!! Thanks a ton! I was almost on the verge of getting my system formatted. May 5, 2011 at 4:59 AM Thraba said... THANK YOU SO MUCH! October 11, 2011 at 2:36 PM Thraba said... Thanks a lot! October 11, 2011 at 2:36 PM Post a Comment Newer Post Older Post Home Subscribe to: Post Comments (Atom) Get at Amazon Search Twitter Updates follow me on Twitter Amazon Blog Archive ► 2010 (1) ► January (1) ▼ 2009 (28) ► November (5) ▼ October (18) Dual Pivot Quicksort in Java Solving Euler Project Problem #4 using Ruby Solving Euler Project Problem #3 using Ruby Google Guice : Part 2 : Inject Confi
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