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How do I safeguard my computer from remote attempts to hack my system ? I have a HP G72 laptop and am running Ubuntu 12.10.

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The most important thing is to make sure that if you don't want remote login, to disable the SSH server on your computer. By default, it doesn't run, so unless you intentionally started it before, it shouldn't be.

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Thank you scott for helping me fix that. –  whyme333 Mar 18 '13 at 6:14

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