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From: James Egan on 7 Feb 2009 05:12

On Fri, 06 Feb 2009 23:43:06 -0500, Lem <lemp40(a)unknownhost> wrote:

>I have a fairly old Linksys WPC54G that works with
>WPA-PSK (AES) which is almost as good as WPA2.

If it's "almost" as good then no doubt you'll be able to point out
where it is different?

WPA2 made mandatory something that was optional but still available
with WPA ie. the use of AES(CCMP) instead of TKIP for authentication
and encryption.


Jim.

From: Jack (MVP-Networking). on 7 Feb 2009 12:49
Hi
Many capacities of the OS are not upfront applications but rather info files
and system files that are ready to work if the Hardware and or an
Applications need them.
Windows XP SP3 include the capacity to impellent and use the current gamut
of Wireless Security. However what would be used (or available) is dependent
on the Wireless Card and the Wireless source (usually Wireless Router/Access
Point). The Devices' Drivers are the one that provide the configuration info
to Windows.
From the weakest to the strongest, Wireless security capacity is.
No Security
Switching Off SSID (same has No Security. SSID can be easily sniffed even if
it is Off)
MAC Filtering______(Band Aid if nothing else is available, MAC number can be
easily Spoofed).
WEP64____(Easy, to "Break" by knowledgeable people).
WEP128___(A little Harder, but "Hackable" too).
-------------------
The three above are Not considered safe.
Safe Starts here at WPA.
-------------------
WPA-PSK__(Very Hard to Break).
WPA-AES__(Not functionally Breakable)
WPA2____ (Not functionally Breakable).
Note 1: WPA-AES the the current entry level rendition of WPA2.
Note 2: If you use WinXP bellow SP3 and did not updated it, you would have
to download the WPA2 patch from Microsoft.
http://support.microsoft.com/kb/893357
The documentation of your Wireless devices (Wireless Router, and Wireless
Computer's Card) should state the type of security that is available with
your Wireless hardware.
All devices MUST be set to the same security level using the same pass
phrase.
Therefore the security must be set according what ever is the best possible
of one of the Wireless devices.
I.e. even if most of your system might be capable to be configured to the
max. with WPA2, but one device is only capable to be configured to max . of
WEP, to whole system must be configured to WEP.
If you need more good security and one device (like a Wireless card that can
do WEP only) is holding better security for the whole Network, replace the
device with a better one.
Setting Wireless Security - http://www.ezlan.net/Wireless_Security.html
The Core differences between WEP, WPA, and WPA2 -
http://www.ezlan.net/wpa_wep.html
Jack (MVP-Networking).


"Bill Wells" <hammer29(a)sbcglobal.net> wrote in message
news:se4jl.16244$yr3.6453(a)nlpi068.nbdc.sbc.com...
> Where do I find WPA2-PSK AES on WinXP SP3?
>
> I thought Windows XP Professional SP3 came with WPA2-PSK but I can't find
> it.
>
> If I doubleclick on the Wireless Network Connection applet;
> And then I press "Change advanced settings";
> On "Wireless Network Connections Properties" form "Wireless Networks" tab;
> I press the "Add" button and go to the "Association" tab;
> I give it a "Network name (SSID)" and check to connect even when the
> network isn't broadcasting the SSID.
>
> The problem is here next ......
>
> The "Network Authentication" only lists Open, Shared, WPA, & WPA-PSK;
> The "Data encryption" only lists Disabled & WEP.
>
> But I want WPA2-PSK & AES.
> I thought WPA2-PSK came with service WinXP Pro SP3!
>
> Do you know the secret for WPA2-PSK on the WinXP SP3 wireless connection?
> I googled, and tried the following from KB
> http://support.microsoft.com/kb/299357 but it didn't change anything:
> c:\> netsh int ip reset c:\resetlog.txt

From: Lem on 7 Feb 2009 13:25
James Egan wrote:
> On Fri, 06 Feb 2009 23:43:06 -0500, Lem <lemp40(a)unknownhost> wrote:
>
>> I have a fairly old Linksys WPC54G that works with
>> WPA-PSK (AES) which is almost as good as WPA2.
>
> If it's "almost" as good then no doubt you'll be able to point out
> where it is different?
>
> WPA2 made mandatory something that was optional but still available
> with WPA ie. the use of AES(CCMP) instead of TKIP for authentication
> and encryption.
>
>
> Jim.
>

http://www.velocityreviews.com/forums/t378136-wpa-aes-amp-wpa2-aes.html
http://www.dslreports.com/forum/remark,12691890?




--
Lem -- MS-MVP

To the moon and back with 2K words of RAM and 36K words of ROM.
http://en.wikipedia.org/wiki/Apollo_Guidance_Computer
http://history.nasa.gov/afj/compessay.htm
From: James Egan on 8 Feb 2009 07:56

On Sat, 07 Feb 2009 13:25:10 -0500, Lem <lemp40(a)unknownhost> wrote:

>James Egan wrote:
>> On Fri, 06 Feb 2009 23:43:06 -0500, Lem <lemp40(a)unknownhost> wrote:
>>
>>> I have a fairly old Linksys WPC54G that works with
>>> WPA-PSK (AES) which is almost as good as WPA2.
>>
>> If it's "almost" as good then no doubt you'll be able to point out
>> where it is different?
>>
>> WPA2 made mandatory something that was optional but still available
>> with WPA ie. the use of AES(CCMP) instead of TKIP for authentication
>> and encryption.
>>
>>
>> Jim.
>>
>
>http://www.velocityreviews.com/forums/t378136-wpa-aes-amp-wpa2-aes.html
>http://www.dslreports.com/forum/remark,12691890?

Neither of these point out any difference between WPA-PSK(AES) and
WPA2-PSK.

They only describe the difference between tkip and aes(ccmp) NOT the
difference between the wpa and wpa2 implementations of aes(ccmp).

I haven't been able to find any online source which describes if or
why one is better than the other.


Jim.

From: Jack (MVP-Networking). on 8 Feb 2009 13:48
Hi
WPA uses TKIP/MIC Encryption.
WPA2 uses AES-CCMP Encryption
AES aka the Irondale algorithm is a secure, fast symmetric cipher that is
easily implemented in hardware.
AES has its own mechanism for dynamic key generation. It's also resistant to
statistical analysis of the cipher text.
There is No reason to use some of the terminology in the drivers entries and
Access Point menus as this appear in many products.
However there is a tendency of the Entry Level Wireless manufacturer not to
adhere strictly by implementation and language use to a common standard.
Each one does something that in their mind would help better Marketing and
consumers understanding (or misunderstanding) of the products.
Jack (MS, MVP-Networking)

"James Egan" <jegan(a)jegan.com> wrote in message
news:6v833uFii0efU1(a)mid.individual.net...
>
> On Sat, 07 Feb 2009 13:25:10 -0500, Lem <lemp40(a)unknownhost> wrote:
>
>>James Egan wrote:
>>> On Fri, 06 Feb 2009 23:43:06 -0500, Lem <lemp40(a)unknownhost> wrote:
>>>
>>>> I have a fairly old Linksys WPC54G that works with
>>>> WPA-PSK (AES) which is almost as good as WPA2.
>>>
>>> If it's "almost" as good then no doubt you'll be able to point out
>>> where it is different?
>>>
>>> WPA2 made mandatory something that was optional but still available
>>> with WPA ie. the use of AES(CCMP) instead of TKIP for authentication
>>> and encryption.
>>>
>>>
>>> Jim.
>>>
>>
>>http://www.velocityreviews.com/forums/t378136-wpa-aes-amp-wpa2-aes.html
>>http://www.dslreports.com/forum/remark,12691890?
>
> Neither of these point out any difference between WPA-PSK(AES) and
> WPA2-PSK.
>
> They only describe the difference between tkip and aes(ccmp) NOT the
> difference between the wpa and wpa2 implementations of aes(ccmp).
>
> I haven't been able to find any online source which describes if or
> why one is better than the other.
>
>
> Jim.
>

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