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Securing a Wireless Network - Page 2

post #11 of 17
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Ok I just changed my settings to these on the attached screenshot:
*EDIT* so I enabled WEP @ 64 bit, will that keep people out or do I need to do more, I can't seem to figure out how to do the MAC filtering.
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post #12 of 17
That is enough. No one will mess with your wireless. Mac filtering will just be a more pain in the ass if you have others coming to your house to hook up.
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post #13 of 17
Thread Starter 
Quote:
Originally Posted by grkgus
That is enough. No one will mess with your wireless. Mac filtering will just be a more pain in the ass if you have others coming to your house to hook up.
Great, thanks guys. If there are any pretty painless steps that I can take to secure this further then let me know.
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post #14 of 17
like the others said, if you dont broadcast your ssid, enable mac filter but there is no reason for it. If you want more security do it if not then this setup is good enough.
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post #15 of 17
Even if you are Broadcasting your SSID, and lets say someone in your neighborhood DOES want to break your WEP encryption AN has the know-how to do it, if you are only running one computer it would literally take something like Air-Snort Months to get past 64bit WEP.

IMO alot of those security featurs are somewhat pointless, not because they dont work or are not good ideas, some are just much more difficult to set up than just throwing on a 64 WEP. And if you have trouble in the future, (without properly understanding the technology) will probobly just lead to more hassles and headaches for you. If you really want it to be secure change your WEP key bi-weekly or monthly.
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post #16 of 17
Quote:
Originally Posted by zerohour
Ok I just changed my settings to these on the attached screenshot:
*EDIT* so I enabled WEP @ 64 bit, will that keep people out or do I need to do more, I can't seem to figure out how to do the MAC filtering.
To do the mac filtering:

goto command prompt, type "ipconfig" : this will give you your mac address.
Write it down.

Goto browser, open up firmware for router. Scroll to the mac filtering menu. Input your mac address. Name it whatever you want.

Apply settings and thats it...Now only that computer will be able to connect to your wireless network. When you need to add another all you have to do is get the mac address and input it in the firmware.

I know alot of poeple say its too much work but if your network consisted of 16000 people, these are precautions that you dont want to take lightly. In other words, its just good practice!
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post #17 of 17
Quote:
Originally Posted by AJR
Even if you are Broadcasting your SSID, and lets say someone in your neighborhood DOES want to break your WEP encryption AN has the know-how to do it, if you are only running one computer it would literally take something like Air-Snort Months to get past 64bit WEP.

IMO alot of those security featurs are somewhat pointless, not because they dont work or are not good ideas, some are just much more difficult to set up than just throwing on a 64 WEP. And if you have trouble in the future, (without properly understanding the technology) will probobly just lead to more hassles and headaches for you. If you really want it to be secure change your WEP key bi-weekly or monthly.
You're kidding right? I can literally crack a 64 bit WEP in as little as 30 seconds. 128 bit WEP can take a few hours or days, it require many many more IVs from captured packets. It doesn't matter how many computers are on on your network, the necessary packets that contain IVs are generated when your wireless AP transmits and receives data. Obviously the more activity on the network the faster IV's are going to be obtained, however an attacker can also inject packets into the network and generate activity if there's none currently. WEP is massively flawed and should not be used if you have WPA available, WPA is much much more secure.

Also a note about not transmitting your network's SSID: Stealthing an SSID only hides it from things like Window's 'show available wireless networks'. A stealthed SSID is easily revealed by wireless packet sniffers like Kismet. I only see 5 wireless networks while my laptop is running WindowsXP, but when I use Kismet in Linux I see 14.

Lastly, MAC filtering isn't really worth it in my opinion, and definately not viable as your sole defense. It's definately not any easier than using WEP or WPA and it's not secure at all. You have to manually enter a wireless adapter's MAC address into the router for it to be able to connect, but with the MAC address being different for every computer it takes more effort to enter them all than it would be to just connect to the network an enter the WEP key with every computer. MAC filtering is also extremely easy to bypass. Anyone packet sniffing using kismet can see the individual MAC addresses for everything on your network and all they have to do is spoof their MAC address to match one of your computers to gain access.
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