Faculty and Staff

How to Install Software for TN3270 for Mac OS X 10.6.x (Snow Leopard)

Last updated September 28, 2009 11:08:09 AM PDT
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Follow the steps below to install software for TN3270 for Mac OS X 10.6.x and above.

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1. Download the file.

  1. Download the latest version of the TN3270 software from this link.
  2. Open the downloaded file.
  3. Drag the TN3270 X icon to the Applications folder.
  4. Run the TN3270 X from the Applications folder.
  5. If you are prompted to install "Rosetta," click Install.
  6. Once the installation is complete, run the TN3270 X program again.

2. Secure your access.

Note for TN3270 3.1.1 or greater: You don't need Stunnel, but you must complete a special setup procedure:
  1. Open TN3270 and close any default window that comes up. Click Cancel.
  2. Click File then New Session
  3. Enter the host name: hubble.ucsd.edu.
  4. Enter the window title: adcom.
  5. Click the Special box.
  6. In the Port field, enter 1023, and choose SSL for Security.
  7. Select SSL/ TLS Default
  8. Select Negotiate SSL
  9. Click OK.
  10. Click Open Connection, and verify the connection works.
  11. Once verified, click File then Save Settings As…, and save settings file to an appropriate location.
  12. If you can't connect, open the Special box, verify the port number, and then try to connect again.
  13. To eliminate confusion, overwrite the old file.screen shot

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For more information, contact the ACT Help Desk, (858) 534-1853.