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Thread: Wireless question Reply to Thread
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  Topic Review (Newest First)
04-13-2004 9:52 PM
matt232
Re: Wireless question

1.5 hours is the claim on this webpage. Assuming that the WAP has firmware that has been updated since 2002, prior to then with the weak IV frames Airsnort only needs 15 minutes of data.

Fig its definately true what you say but it all depends upon how hard you are driving your wireless connection, many people would run ~1Gb (current rule of thumb for amount of captured packets required) within a few hours others it might not see a 1GB in the month.

But all this tecnical jargon bores the crap out of most people, and its better to be safe than sorry. So I tend to give people the worst case senario and no-one is shocked when it happens.

http://www.oreillynet.com/pub/a/wire...sshacks_chap1/

http://www.wirelessdevnet.com/channe...ewsbyte31.html

http://www.oreillynet.com/cs/user/view/cs_msg/26023
04-13-2004 6:15 PM
Fig
Re: Wireless question

Just an fyi. I know of these tools which you speak of.. Airsnort to be exact. Here's the rub. While it can decrypt your wep key in a matter of a few seconds, the problem is, it needs to collect around 10-15 million packets in order for this to happen. If you are generating normal web traffic, the person attempting to crack your wep key might have to idle in front of your house for somewhere in the neighborhood of 4-8 weeks if they are lucky. There are other tools to help generate these packets, but it really does take some time to get enough traffic to make this happen. If you change your wep key once a month, my guess is you would be relatively safe.

I was a little more paranoid about wep until I tried cracking my own key. Still hasn't happened, although I haven't been able to free up a laptop for long enough.
Fig
04-13-2004 12:40 PM
matt232
Re: Wireless question

Another tip....

I just updated the firmware for my Wireless Access Point so I'm using WPA-PSK now rather than WEP. Touch more secure now that I'm using a protocol which doesn't have a piece of code out there that can crack it in a few minutes.

So moral of the story, check out the manufactures website for firmware updates, read all the directions on how to do it and the risks (could potentially make the device inopperative), make sure you have the right firmware your device. However if you have a pirated version of windows don't bother with the firmware update because you won't be able to make use of the new protocols.

With that in mind check out the Mircosoft windows update site (assuming thats the OS you are using) http://windowsupdate.microsoft.com to make sure your wireless protocols are up to date on your workstation.
04-03-2004 3:58 AM
matt232
Re: Wireless question

Quote:
Originally Posted by SomeStrangeGuy
..and if you used the config 'wizard' your neighbors are enjoying your increased speed and range as well
Not to mention, all those 'educational movies' you downloaded currently saved on your shared folders and full colour printing to your printers.

Check out the Wifi security tools


Not just your neigbours either, war driving ( War Driving Howto ) would have anyone parking outside your house and accessing your network and internet connection.

Make sure you protect yourself macman, even if you have just a little more security than the guy next door so that everyone targets your neighbours and not you.
04-03-2004 2:18 AM
SomeStrangeGuy
Re: Wireless question

Quote:
Originally Posted by dlowe
I have the new Netgear 108 MBPS...easy set up. Extremely fast and its alot smaller than my old linksys wireless router. Has 4x the range as well. Before, I couldn't make it to my back porch, but now I can!!!
..and if you used the config 'wizard' your neighbors are enjoying your increased speed and range as well
04-03-2004 12:23 AM
MacMan
Re: Wireless question

I'm trying to figure out how to print from the laptop to the default printer now. I'd like to share my drives from one computer to another but thats another day I guess


Edit: Matt,That link did not work for me...
04-03-2004 12:07 AM
matt232
Re: Wireless question

Its pretty cool have a WiFi access point at home. A number of mornings, I've just stayed in bed until midday and just VPNed into the office, and no one is the wiser. Wifi dramatically increases your potential to be slothful.

Download net stumbler

It will do three things,

1. list any and all WiFi Access points in the area
2. Give you an rough indication of how secure your WiFi network is
3. Let you wonder around the area and determine how strong the signal is in different rooms.

At the ABSOLUTE MINIMUM for home, make sure you enable WEP and MAC address restrictions; however both of these can be easily broken in a few minutes. So if possible use WPA and setup your router so that Wireless nodes can only access your wired network and the internet via a VPN connection(thus ensuring wirelss traffic is authenticated and securely encrypted).

If there is any sensitive info on any computers on your network the ABSOLUTE MINIMUM then become the full firewall and VPN setup with WPA otherwise you are just asking for someone to suck info off your network. If indeed WiFi is worth the risk at all.


More info
http://members.optushome.com.au/praetor/wifi.html
04-02-2004 11:19 PM
dlowe
Re: Wireless question

I have the new Netgear 108 MBPS...easy set up. Extremely fast and its alot smaller than my old linksys wireless router. Has 4x the range as well. Before, I couldn't make it to my back porch, but now I can!!!
04-02-2004 10:56 PM
SilverBullet
Re: Wireless question

Quote:
Originally Posted by MacMan
Does anyone have a wireless router set up in there house? I installed mine and my laptop can't find it. I also have a WiFi finder and it can't find it also. Its a wireless G router and my computer has the card. I called up the manufacturer (Linksys) and they have no clue. They said that it may be the laptop not being set up right but the WiFi should have found the signal anyways Help

Same one we have. Glad you got it working. I like it b/c one of us can be on the desktop and another on the laptop at the same time.
04-02-2004 8:43 PM
MacMan
Re: Wireless question

Thx for the reply Fig. I got home a couple of hours ago and the first thing that i did was change out the network cable that came with it. Low and behold...it worked. I did reset the router and configed it again but now it is working
I am getting wireless happy over here. Must stop spending money
04-02-2004 1:02 PM
figment
Re: Wireless question

Quote:
Originally Posted by MacMan
Does anyone have a wireless router set up in there house? I installed mine and my laptop can't find it. I also have a WiFi finder and it can't find it also. Its a wireless G router and my computer has the card. I called up the manufacturer (Linksys) and they have no clue. They said that it may be the laptop not being set up right but the WiFi should have found the signal anyways Help
did you configure the ESSID to be non-broadcast? The physical layer is what the NIC card in your PC is looking for to find the WAP. DHCP happens once the physical layer has been established and you are not getting that far. If I am understanding the problem correctly, you need to search for the appropriate SSID, if it can not be found, I'd color the NIC or the WAP suspect and the first thing I would try is another NIC. It IS troubling that the finder can not detect the WAP either...maybe the WAP has the wrong band defined or has been wireless disabled...
04-01-2004 11:00 PM
jafo
Re: Wireless question

Quote:
Originally Posted by Rios929
This might be a stupid question....but does your laptop have an on/off switch for the wireless signal reciever to work? I have a toshiba and it has a switch I have to turn on to find a wireless signal.
That's what I was gonna recommend,I was going nutty and then realized there was a switch on the left side that had to be on.
04-01-2004 8:38 PM
MacMan
Re: Wireless question

DHCP is what I have it set on and I never saw anything for a hard LAN card. I'm not sure about the switch deal but the WIFi should have found it anyways.
04-01-2004 8:34 PM
Rios929
Re: Wireless question

This might be a stupid question....but does your laptop have an on/off switch for the wireless signal reciever to work? I have a toshiba and it has a switch I have to turn on to find a wireless signal.
04-01-2004 8:33 PM
ND4SPD
Re: Wireless question

Is DHCP enabled on the router? Do you have your hard LAN card enabled? Disable it if so. It's all I can think of offhand
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