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An Eleven Character Linux Denial of Service Attack & How to Defend Against it

Sometimes it is the oddest, harmless looking things that could cause problems. I can’t think of anything more innocuous looking than the following Linux shell command:

But DO NOT run this on a Linux system, or chances are that you will perform a Denial of Service attack on your own machine! You may have to hard reset your system to get it back and you COULD LOSE DATA!