Something on my computer is generating heavy internet traffic
hi there,
I need expert help!
two or three months in a row now I exceeded my monthly internet limit, which did not make any sense at all. finally I took a closer look at my computer and here's what I found out: moments after my machine starts up, and even without starting any app whatsoever, my computer starts downloading large amounts of data, probably to the tune of at least 1GB / 24hrs. it also uploads some, but far far less than it downloads. my MacBook Pro, also on 10.6, isn't doing it. when I boot my Mac Pro into newly installed 10.8, no problems there. it's also not doing it right now, but I booted 10.6 in safe mode.
how can I find out what it is, and kill it?
Launch the Terminal application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Terminal in the icon grid.
Drag or copy — do not type — the following line into the Terminal window, then press return:
sudo lsof -i
You'll be prompted for your login password, which won't be displayed when you type it. You may get a one-time warning not to screw up. You don't need to post the warning. If you don’t have a login password, you’ll need to set one before you can run the command.
The output of the command shows what processes are accessing the network. That may help you to solve the mystery.
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