Re: [ice-dev] ICE Remote VisIt connection error

[Harinarayan Krishnan <hkrishnan@xxxxxxx>]

Hi all,

1. What does the error output look like?
I am not sure why the password would not be honored. Is Gordon OTP or
can an SSH key version be tested?

A simple test might be to manually create an SSH tunnel and forward
the appropriate ports from the VisIt server. Then on the client side
do a direct connection to localhost:<forwarded port>

Best regards,
Hari


On Wed, Jul 13, 2016 at 11:53 AM, McCaskey, Alex <mccaskeyaj@xxxxxxxx> wrote:
> Ok that’s good to know. We’ll see if Hari has any further insight then.
>
> Alex
>
> On Jul 13, 2016, at 2:51 PM, Greg Watson <greg@watson.earth> wrote:
>
> Alex,
>
> I’m not able to connect from my machine (outside the ORNL network) to either
> a TACC machine or an SDSC machine, so I don’t think this is a proxy issue.
>
> The problem is that the connection just keeps asking for a password, even if
> the correct one is entered.
>
> Greg
>
> On Jul 13, 2016, at 2:40 PM, McCaskey, Alex <mccaskeyaj@xxxxxxxx> wrote:
>
> Hey Hari,
>
> We are giving an ICE tutorial at the XSEDE conference next week. Part of
> that tutorial will be demonstrating a remote VisIt connection from ICE to
> XSEDE resources. However as of now, the remote connection mechanism as part
> of the visit_java_client is not working when we connect to those resources
> from within the ORNL internal network. We’re able to connect to machines
> within the network, but not without. My guess is the visit remote connection
> is not taking into account our ssh proxy server. Please see Robert’s
> detailed email below on what he’s found.
>
> Any thoughts on this, and would you be able to help us out? I think it may
> require a small modification to the visit_java_client.
>
> Best,
>
> Alex
>
> Begin forwarded message:
>
> From: "Smith, Robert W." <smithrw@xxxxxxxx>
> Subject: VisIt connection info
> Date: July 13, 2016 at 2:35:32 PM EDT
> To: "McCaskey, Alex" <mccaskeyaj@xxxxxxxx>
>
> Alex,
>
> I'm able to connect remotely to all of Bohr (my Mac desktop), Megafluffy,
> and Habilis. However, attempting to connect to Gordon or Stampede we've been
> getting into a loop where the password dialog keeps popping up without the
> authentication ever passing.
>
> When this became an issue for ParaView, I think the fix was adding
> session.setConfig("PreferredAuthentications",
> "privatekey,password,keyboard-interactive"); so that the session could
> handle the multiple different ways the server might specify the the password
> authentication. When you're emailing Hari, you can suggest that he add that
> line in the launch method of VisItSwtConnection in the VisIt Java client to
> see if that makes a difference.
>
> Robert
>
>
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