I found some software can control the speed of the computers in lan, it seems that they use something like arp attack, can someone tell me the theory of this ?
Anyone heard of P2P over software ? how it works ?
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migrated from stackoverflow.com Sep 6 '09 at 6:22
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Operating systems don't come standard with a "slow me down" command that can be magically accessed by other computers on the LAN. So, what you're talking about is some kind of attack and technically, almost any attack if successful could be used to slow a computer down. Though, since you're talking about a LAN and ARP it's probably a DoS attack of some kind. Since there is a lot of bandwidth available on a LAN and a lot of people don't use software firewalls it's usually pretty easy to launch a successful DoS attack on another system. If we're talking about LAN parties it becomes even easier because the targeted computer's CPU and NIC are already under heavy stress and even a minor packet flood of some kind could produce noticeable latency in a game. | |||
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It's just common sense: flood the computer with ARP requests, the computer spends more CPU time processing requests, the computer appears to slow down because more CPU time is being used to handle incoming requests. | |||
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