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Traffic Shaping Questions

Concillian

Diamond Member
What I have:

DSL line --> DSL modem --> Linux box (2 network ports, running Ubuntu 8.04LTS desktop, this works as a router) -->switch --> rest of my network (3 PCs, wireless bridge, couple of network "appliances")

Linux machine is working as a router via Firestarter. My Firewall is setup to forward BT ports to my main PC so Blizzard Downloader doesn't complain (Blizzard Downloader is the the only Bittorrent client I use, it's how they distribute patches.) Most of my other ports are shut down.

For those unfamiliar with Blizzard Downloader, it's the stupidest BT client in existence.

Patch day happens and I start downloading... it makes like 60+ connections, immediately saturates the upload bandwidth of my DSL and that chokes EVERYTHING down. My line is 1.5 down / 384 up and it chokes the upload side so hard that the download side presumably can't even get verification packets through. This chokes everything down. I end up using ~700ish kbps and can't do anything else, even though half my download pipe isn't being used.

This amazing bittorent client (amazingly bad) has NO configuration options for limiting connections or available upload bandwidth.

I got a trial version of some random traffic shaping software for windows at one point that let me limit bandwidth available to specific programs. I was able to limit Blizz downloader to 256k upload and my download side immediately ~doubled in speed.

Alas, this was a 30-day trial version and has long since expired. I forget what it was even called. It performed it's needed task in verifying that what I thought was happening was indeed what was killing me.

So what I want to do is limit incoming traffic across a specific port only to ~256k or so.

Is there a way to do this from the Linux box side? This is what I'd prefer, because I can set it up and just forget about it. I'm not afraid of command line configuration or text file editing config, but I'd prefer a GUI frontend.

Barring that, is the Windows Firewall configurable for something like this? I'm guessing not, but I've never even touched the Windows Firewall (except to turn it off after I install)
 
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