anchor.diff:  
   Our test environment is as follows:
   
  -i) Operating System: Fedora release 8 (Werewolf)
  -ii) FreeRADIUS Server : FreeRADIUS Version 1.1.7
  -iii) Pam_Radius: pam_radius_auth 1.3.17
  -iv) Yubico PAM: pam_yubico  Version 1.8
  -v) `/etc/pam.d/openvpn` file:
  +* `/etc/pam.d/openvpn` file:
   
   ------
   account         required        pam_radius_auth.so
  
positive.code: OpenVPN client will first prompt for username, enter the username.
  After that OpenVPN client will prompt for password, enter user’s
  password immediately followed by an OTP generated by a YubiKey.
  
  
  NOTE: Please use OpenVPN server Version 2.0.9 (Latest Stable Version), as older and newer beta versions have problems with PAM libraries. RADIUS authentication will fail if it is configured with older or latest beta versions of OpenVPN Server.
  
negative.code: 
  We have tested the pam_yubico configuration on following Linux sever platforms:
  
  * Fedora 8
  * Fedora 6
  
  To test the configuration, first create a couple of test users
  on the system where FreeRADIUS server is running and configure
  