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Thread Tools |
 Member 15664 Level 5.51 Nov 2006 
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A few wireless networking questions
Hi!
I just ordered a wireless router and a USB adapter for PC number 2. I have a few probably simple questions for when this arrives: 1) Is it possible to limit the bandwidth that PC number 2 gets? 2) Is it possible to monitor what PC number 2 visits/downloads? 3) How easy is it to securely encrypt the network? Thanks! Jam it back in, in the dark.
Rawr! =^_^=
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Member 907 Level 22.05 Mar 2006
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If you get yourself a Linksys WRT54GL (Not a WRT54G, the L is important in the model number), you can replace the stock firmware with something like DD-WRT.
The upgraded firmware adds a number of advanced features including protocol based Quality of Service (QoS) rules that prioritize network traffic to your own tastes. You can also boost the signal output of the router well beyond FCC consumer limitations, and enable remote logging. Documentation on using these features might be incomplete, or difficult to understand. You can also brick your router if the firmware upgrade goes bad, and recovering a bricked router is a non-trivial process. That's the downside. As for security, if you just want to make it a nusiance to get into your network, then enable SSID hiding, MAC filtering, and WEP encryption. Anyone who actually wants to get into you network can, and in as little as 10 minutes, so I wouldn't really call this setup secure. For better security, use WPA or WPA2 (if your wireless devices support it) with a strong pre-shared key. By strong, I mean resistant to a dictionary attack. The pre-shared key needs to be sufficiently non-regular to make it infeasible to crack. This is very easy to do, and covered by the documentation that comes with most SOHO routers. Just for the sake of trivial information, the best wireless security involves settting up a dedicated *nix box (Linux, FreeBSD, OpenBSD---some type of Unix-operating system) somewhere on your network running a FreeRADIUS server with a password-database backend. You then point all of you Wireless access clients to this server for 802.1x authentication. Anyone wishing to connect to your wireless network will be challenged to entered a valid username/password pair. There's nowhere I can't reach.
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