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Update and rename YubikeyAndSSHViaPAM.txt to Yubikey_and_SSH_via_PAM.adoc

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Henrik Stråth 2014-10-29 16:15:02 +01:00
parent ba80c13988
commit 3e865435f7
1 changed files with 29 additions and 40 deletions
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doc/YubikeyAndSSHViaPAM.txt → doc/Yubikey_and_SSH_via_PAM.adoc
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@ -6,10 +6,6 @@ assumes that the reader has advanced knowledge and experience in Linux
system administration, particularly for how PAM authentication mechanism is
configured on a Linux platform.
Details
-------
Prerequisites
-------------
@ -106,9 +102,7 @@ Configuration of modified pam_yubico.so module at administrative level:
Append the following line to the beginning of /etc/pam.d/sshd file:
--------
auth required pam_yubico.so id=16 debug authfile=/path/to/mapping/file
--------
Make sure you set id=16 to the correct API-id for the yubico validation server.
@ -138,14 +132,12 @@ This file must contain only one record. The parameters in the record are
separated by “:” character similar to /etc/passwd. The contents of this file
are as shown below:
<user name>:<yubikey token ID>:<yubikey token ID>: ….
e.g.
------
paul:indvnvlcbdre:ldvglinuddek
------
The .yubico/authorized_yubikeys file must be created/updated manually and must
be placed inside user's home directory before configuration of Yubico PAM
@ -157,10 +149,7 @@ Configuration of modified pam_yubico.so module at user level:
Append the following line to the beginning of /etc/pam.d/sshd file:
-------
auth required pam_yubico.so id=16 debug
-------
After the above configuration changes, whenever a user connects to the server
using any SSH client, the PAM authentication interface will pass the control
@ -179,14 +168,14 @@ Append _try_first_pass_ parameter to the _pam_unix.so_ module to authenticate
the user with password passed from the preceding auth module.
The _pam_unix.so_ module used for authentication is generally located into
_"/etc/pam.d/system-auth"_ for RedHat based Linux system and into
_"/etc/pam.d/common-auth"_ for Debian based Linux systems.
`/etc/pam.d/system-auth` for RedHat based Linux system and into
`/etc/pam.d/common-auth` for Debian based Linux systems.
4) SSH configuration:
---------------------
Edit the sshd configuration file _“/etc/ssh/sshd_config”_ to disable challenge-
response passwords. Change _“challenge-response passwords yes”_ to
_“challenge-response passwords no”_.
Edit the sshd configuration file `/etc/ssh/sshd_config`_ to disable challenge-
response passwords. Change `challenge-response passwords yes` to
`challenge-response passwords no`.
Test Setup:
@ -197,20 +186,20 @@ A) Fedora 8:
Test setup for fedora 8 environment is as follows:
• OS Version: Fedora release 8 (Werewolf)
• Kernel Version: Kernel version 2.6.23.1-42.fc8
• OpenSSH Version : openssh-4.7p1-2.fc8
• Yubico PAM Version: pam_yubico-1.7
* OS Version: Fedora release 8 (Werewolf)
* Kernel Version: Kernel version 2.6.23.1-42.fc8
* OpenSSH Version : openssh-4.7p1-2.fc8
* Yubico PAM Version: pam_yubico-1.7
B) Fedora 6:
------------
Test setup for fedora 6 environment is as follows:
• OS Version: Fedora Core release 6 (Zod)
• Kernel Version: Kernel version 2.6.18-1.2798.fc6
• OpenSSH Version : openssh-4.3p2-10
• Yubico PAM Version: pam_yubico-1.7
* OS Version: Fedora Core release 6 (Zod)
* Kernel Version: Kernel version 2.6.18-1.2798.fc6
* OpenSSH Version : openssh-4.3p2-10
* Yubico PAM Version: pam_yubico-1.7
PAM configuration: