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Unblock AutoBlocked computers

May 26, 2010

In some cases, AutoBlock may recognize normal activity as an attack. The list of computers that AutoBlock has currently blocked may include the computer that you should be able to communicate with.

If a computer that you need to access appears on the list of blocked computers, you can unblock it. You may want to reset your AutoBlock list if you have changed your protection settings. To reset the AutoBlock list, you can unblock all of the computers that are on the list at one time.


  1. In the Norton Internet Security main window, in the Network pane, click Settings.
  2. Under Intrusion Prevention, in the Intrusion AutoBlock row, click Configure.

    You may need to scroll the window to see the option.
  3. In the Intrusion AutoBlock window, under Computers currently blocked by AutoBlock, do one of the following:
    • To unblock one computer, select its IP address, and then click Unblock.
    • To unblock all computers on the AutoBlock list, click Unblock All.
  4. Click OK.

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