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We have an Internet connection which is shared on five computers via a home router.

One of the computers is using torrents all the time. I want to find out which, and they won't tell me.

How can I check which client is using the most traffic?

Peter Mortensen
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Hello World
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  • Which operating system? Do you _know_ that it is specifically torrents? How are they connected (if via cable, you could just look at which corresponding connection LED flashes the most)? Which router model? – Daniel Andersson May 04 '12 at 11:09
  • All operating systems are Windows 7. Some of them are downloading torrents most of the time. They are all connected via WiFi. Router is SpeedTouch THOMSON ST780. – Hello World May 04 '12 at 16:22
  • Good answer that works independently of the router model, but unfortunately only for Ethernet traffic (not wifi traffic going directly to the router): https://raspberrypi.stackexchange.com/a/45042 – tanius Mar 31 '18 at 16:30

2 Answers2

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I recommend reading these articles from HTG:

Mike Pennington
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Andrew Heath
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WallWatcher collects, displays, and analyzes log information from more than 135 Routers and firewalls.

Take a look at Cacti as well.

Eugene S
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  • WallWatcher does not support my router. Cacti requires MySQL, PHP, RRDTool, net-snmp, and a webserver that supports PHP such as Apache or IIS. So both are not good for me. – Hello World May 04 '12 at 10:49
  • Wallwatcher also has generic IPTables and Syslog settings. If your router runs on Linux, you should be able to make it work. – boot13 Oct 17 '15 at 03:54
  • wallwatcher.com says: Wallwatcher is no longer available. (since 2011) – tanius Mar 31 '18 at 11:37