Hi All,

Anyone having trouble with Windows client pam-userpwd authentication?


On our cluster we have a manual method - ssh tunnel to a node and pam-userpwd 
to login in. We also have an automated method using keys and otp through a 
launcher app.

I have been using the automated method for a while so I don't know when our 
manual method broke but I'd like it unbroke for emergency/testing purposes :)

It looks like the Windows client is not recognising the login protocol, a Linux 
client works fine and asks for username/password, but the Windows client only 
asks for password (username field is blocked out)


Here's the config:

/etc/turbovncserver-auth.conf
pam-service-name = login
permitted-auth-methods = pam-userpwd, otp

Here's the log messages (not it fails with KDE also)

22/10/2014 08:36:50 Got connection from client 172.19.1.251
22/10/2014 08:36:50 Using protocol version 3.8
22/10/2014 08:36:51 Enabling TightVNC protocol extensions

** (gnome-volume-control-applet:3454): WARNING **: Connection failed, 
reconnecting...

** (gnome-settings-daemon:3434): WARNING **: Connection failed, reconnecting...
22/10/2014 08:36:55 rfbVncAuthProcessResponse: authentication failed from 
172.19.1.251
22/10/2014 08:36:55 Client 172.19.1.251 gone
22/10/2014 08:36:55 Statistics:
22/10/2014 08:36:55   framebuffer updates 0, rectangles 0, bytes 0

** (gnome-settings-daemon:3434): WARNING **: Connection failed, reconnecting...


Here's the full description of the manual method working:
https://www.massive.org.au/userguide/cluster-instructions/using-the-massive-desktop

Snippet below:

"To access the desktop first create a secure tunnel to m2106

Windows Putty Terminal:
1) Right-click on Window border and select Change Settings...
2) Select Connection-SSH-Tunnels
3) Remove any existing tunnels to port 5901
4) Add a new tunnel to Source port 5901 Destination m2106:5901

Linux/Max Shell:
1) Start a new login to MASSIVE using the following command
ssh -L 5901:m2106:5901 [email protected]

Now connect using your local TurboVNC client to connect to localhost:1
and use your MASSIVE login details."

Cheers,

Paul
-- 
Dr Paul McIntosh
  Senior HPC Consultant, Technical Lead,
    Multi-modal Australian ScienceS Imaging and Visualisation Environment 
(www.massive.org.au)
       Monash University, Ph: 9902 0439 Mob: 0434 524935

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