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Thread: Monitoring traffic ???
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10-07-2012, 02:57 PM #1
Monitoring traffic ???
I want to monitor a bit of traffic to see where my bandwidth is being consumed. I've got a Aztech n port wireless n router with hspa support for 3g mobile broadband. I'm using mobile broadband as my connection an it is fucking expensive but it is one of my few choices. Anyway, last month the house went over our allotted BW and is cost alot ($218 extra). So I want to see where and who is sucking back BW. I'm pretty sure it was the exchange student we got last month, I hadn't thought to tell her that our internet is worse than most 3rd world countries and really expensive.
Any programs or other ways to monitor?You are what you eat.
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10-07-2012, 03:43 PM #2
would it be weird to sit in the exchange student's closet and watch her use the internet?
... jfost is really ignorant, he often just needs simple facts laid out for him...
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10-07-2012, 09:39 PM #3
check out Wireshark. http://www.wireshark.org I have no idea how to use it, but it's free and looks like it will do what you want.
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10-09-2012, 02:47 PM #4Registered User
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It also looks like, depending upon the specific Aztech router you're using, you can simply look at the router logs. An alternative if you have an extra PC lying about would be to set up something along the lines of an Untangle box (http://www.untangle.com/).
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10-09-2012, 02:50 PM #5Banned
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Exchange student is probably live streaming some video using Skype or something for hours on end. Ask her if shes using a webcam or something.
Wireshark might give you some info, but it's not really made for the average joe to understand.
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10-09-2012, 09:18 PM #6
You basically need something that shows open tcp/ip connections over the network. Wireshark works, but you might have to figure out what port/protocol is what program. 80 or 8080 are web browsing, 443(?) is secure web browsing, and there are a few other common ones. The first 1024 ports are "reserved" and are used for things like web browsing and email, and other stuff. Skype would probably be UDP and a port somewhere above 1024. Neflix and torrents would also use a lot of bandwidth. I couldn't tell you how that looks in tcp/ip, other than torrenting would have lots of open connections, and Netflix would have an ip number that when pasted into your browser brought up netflix.
My favorite part of the whole thing, is that wireshark puts your network card into what is called "promiscuous mode". Works especially well for wireless, which is essentially a hub, which is one big broadcast/collision domain. That's why people can steel credit card numbers from places that offer free wifi and use their little Linksys router for the CC machine processing.
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10-09-2012, 09:24 PM #7
Looks like I was kinda wrong about the 1024 thing, but look what I found: http://www.speedguide.net/ports.php
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