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Re: Athena 10 license server problem on latest Tecplot release

daemon@ATHENA.MIT.EDU (Geoffrey Thomas)
Tue Mar 24 22:26:37 2009

Date: Tue, 24 Mar 2009 22:25:38 -0400 (EDT)
From: Geoffrey Thomas <geofft@MIT.EDU>
To: Alex T Prengel <alexp@mit.edu>
cc: testers@mit.edu
In-Reply-To: <200903242310.n2ONA2RQ023310@dit.mit.edu>
Message-ID: <alpine.DEB.2.00.0903242223570.5436@corndog.mit.edu>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed

Ubuntu machines resolve their own IP to 127.0.1.1, rather than their 
net-18 IP; I believe this is so that reverse-resolving yourself never 
fails. Is Tecplot being overcautious (or dumb) and checking the IP 
address against the ACL locally? You can test this by removing the 
relevant lines from /etc/hosts.

-- 
Geoffrey Thomas
geofft@mit.edu

On Tue, 24 Mar 2009, Alex T Prengel wrote:

>
> I'm running into a license server problem on Athena 10 machines running the
> latest Tecplot release. It uses a new license server derived from, but not
> identical to FlexLM.
>
> Symptoms: when on Athena 10 (both cluster and workstation) I attempt to launch:
>
> 	add tecplot
> 	tecplot -ver 360-09
>
> I get an error dialog about "usr/host not on includeall list" and
> Tecplot won't run. This list is an IP address range list on the
> license server that limits access to MIT machines. We've used it
> extensively before and never had a problem where a machine that should
> be allowed is denied.
>
> The error is exactly what you would get if a machine with IP address not on the
> allowed range tries to run Tecplot. The machines in question are in N42 and
> should be allowed (as they are when running older Tecplot releases, where I
> don't see the problem).
>
> Part of the list looks like this:
>
> INCLUDEALL INTERNET 18.*.*.*
> INCLUDEALL INTERNET 128.52.*.*
> INCLUDEALL INTERNET 128.128.*.*
> INCLUDEALL INTERNET 198.125.176.*
> INCLUDEALL INTERNET 198.125.177.*
> <and so on>
>
> the interpretation is the obvious one- any machine in any of the wildcarded
> ranges should be allowed. I verified that local machine configuration relating
> to their IP address is correct, and that they ping at the correct IP address.
>
> I tested this on a machine running Vanilla Intrepid with Open AFS- the problem
> does not show up there and Tecplot runs without a problem. It also doesn't
> show up on Athena 9 machines.
>
> I conclude that something we're doing on Athena 10, both on cluster and
> workstation, is triggering this but I have no idea what it might be.
>
>                                               Alex
>

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