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SSH tunnelling: Difference between revisions
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* Running commercial software on a compute node that needs to contact a license server over the Internet; | * Running commercial software on a compute node that needs to contact a license server over the Internet; | ||
* Running [[Visualization|visualization software]] on a compute node that needs to be contacted by client software on a user's local computer; | * Running [[Visualization|visualization software]] on a compute node that needs to be contacted by client software on a user's local computer; | ||
* Running a [[Jupyter | Jupyter Notebook]] on a compute node that needs to be contacted by the | * Running a [[Jupyter | Jupyter Notebook]] on a compute node that needs to be contacted by the Web browser on a user's local computer; | ||
* Connecting to the Cedar database server from somewhere other than the Cedar head node, e.g., your desktop. | * Connecting to the Cedar database server from somewhere other than the Cedar head node, e.g., your desktop. | ||
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Certain commercially | Certain commercially licensed programs must connect to a license server machine | ||
somewhere on the Internet via a predetermined port. If the compute node where | somewhere on the Internet via a predetermined port. If the compute node where | ||
the program is running has no access to the Internet, then a <i>gateway server</i> | the program is running has no access to the Internet, then a <i>gateway server</i> | ||
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With this information, one can now | With this information, one can now set up the SSH tunnel. For | ||
Graham, an alternative solution is to request a firewall exception | Graham, an alternative solution is to request a firewall exception | ||
for license server LICSERVER and its specific port LICPORT. | for license server LICSERVER and its specific port LICPORT. | ||