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Turn on or turn off AutoBlock

May 25, 2010

When an attack is detected, the connection is automatically blocked to ensure that your computer is safe. If the attack comes from a computer that has previously tried to access your computer by using another attack signature, it can activate AutoBlock. AutoBlock blocks all traffic between your computer and the attacking computer for a set amount of time. During this period, AutoBlock also blocks the traffic does not match an attack signature.


AutoBlock stops traffic between your computer and a specific computer. If you want to stop all traffic to and from your computer, you can use the Block All Network Traffic option.

If AutoBlock blocks a computer or computers that you need to access, you can turn off AutoBlock.

  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 AutoBlock, do one of the following:
    • To turn on Intrusion AutoBlock, click On [Recommended].
    • To turn off Intrusion AutoBlock, click Off.
  4. Click OK.

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